391438656

素因数分解:

$2^6\times 3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 420

約数和(自身を含む): 1429499808

約数和(自身を除く): 1038061152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 42, 46, 48, 49, 54, 56, 63, 64, 67, 69, 72, 81, 84, 92, 96, 98, 108, 112, 126, 134, 138, 144, 147, 161, 162, 168, 184, 189, 192, 196, 201, 207, 216, 224, 252, 268, 276, 288, 294, 322, 324, 336, 368, 378, 392, 402, 414, 432, 441, 448, 469, 483, 504, 536, 552, 567, 576, 588, 603, 621, 644, 648, 672, 736, 756, 784, 804, 828, 864, 882, 938, 966, 1008, 1072, 1104, 1127, 1134, 1176, 1206, 1242, 1288, 1296, 1323, 1344, 1407, 1449, 1472, 1512, 1541, 1568, 1608, 1656, 1728, 1764, 1809, 1863, 1876, 1932, 2016, 2144, 2208, 2254, 2268, 2352, 2412, 2484, 2576, 2592, 2646, 2814, 2898, 3024, 3082, 3136, 3216, 3283, 3312, 3381, 3528, 3618, 3726, 3752, 3864, 3969, 4032, 4221, 4288, 4347, 4416, 4508, 4536, 4623, 4704, 4824, 4968, 5152, 5184, 5292, 5427, 5628, 5796, 6048, 6164, 6432, 6566, 6624, 6762, 7056, 7236, 7452, 7504, 7728, 7938, 8442, 8694, 9016, 9072, 9246, 9408, 9648, 9849, 9936, 10143, 10304, 10584, 10787, 10854, 11256, 11592, 12096, 12328, 12663, 12864, 13041, 13132, 13248, 13524, 13869, 14112, 14472, 14904, 15008, 15456, 15876, 16884, 17388, 18032, 18144, 18492, 19296, 19698, 19872, 20286, 21168, 21574, 21708, 22512, 23184, 24656, 25326, 26082, 26264, 27048, 27738, 28224, 28944, 29547, 29808, 30016, 30429, 30912, 31752, 32361, 33768, 34776, 36064, 36288, 36984, 37989, 38592, 39396, 39744, 40572, 41607, 42336, 43148, 43416, 45024, 46368, 49312, 50652, 52164, 52528, 54096, 55476, 57888, 59094, 59616, 60858, 63504, 64722, 67536, 69552, 72128, 73968, 75509, 75978, 78792, 81144, 83214, 84672, 86296, 86832, 88641, 90048, 91287, 92736, 97083, 98624, 101304, 104328, 105056, 108192, 110952, 115776, 118188, 119232, 121716, 124821, 127008, 129444, 135072, 139104, 147936, 151018, 151956, 157584, 162288, 166428, 172592, 173664, 177282, 182574, 194166, 202608, 208656, 210112, 216384, 221904, 226527, 236376, 243432, 249642, 254016, 258888, 265923, 270144, 278208, 291249, 295872, 302036, 303912, 315168, 324576, 332856, 345184, 347328, 354564, 365148, 388332, 405216, 417312, 443808, 453054, 472752, 486864, 499284, 517776, 531846, 582498, 604072, 607824, 630336, 649152, 665712, 679581, 690368, 709128, 730296, 776664, 810432, 834624, 873747, 887616, 906108, 945504, 973728, 998568, 1035552, 1063692, 1164996, 1208144, 1215648, 1331424, 1359162, 1418256, 1460592, 1553328, 1747494, 1812216, 1891008, 1947456, 1997136, 2038743, 2071104, 2127384, 2329992, 2416288, 2431296, 2662848, 2718324, 2836512, 2921184, 3106656, 3494988, 3624432, 3994272, 4077486, 4254768, 4659984, 4832576, 5436648, 5673024, 5842368, 6116229, 6213312, 6989976, 7248864, 7988544, 8154972, 8509536, 9319968, 10873296, 12232458, 13979952, 14497728, 16309944, 17019072, 18639936, 21746592, 24464916, 27959904, 32619888, 43493184, 48929832, 55919808, 65239776, 97859664, 130479552, 195719328, 391438656]

約数ペア:

[(1, 391438656), (2, 195719328), (3, 130479552), (4, 97859664), (6, 65239776), (7, 55919808), (8, 48929832), (9, 43493184), (12, 32619888), (14, 27959904), (16, 24464916), (18, 21746592), (21, 18639936), (23, 17019072), (24, 16309944), (27, 14497728), (28, 13979952), (32, 12232458), (36, 10873296), (42, 9319968), (46, 8509536), (48, 8154972), (49, 7988544), (54, 7248864), (56, 6989976), (63, 6213312), (64, 6116229), (67, 5842368), (69, 5673024), (72, 5436648), (81, 4832576), (84, 4659984), (92, 4254768), (96, 4077486), (98, 3994272), (108, 3624432), (112, 3494988), (126, 3106656), (134, 2921184), (138, 2836512), (144, 2718324), (147, 2662848), (161, 2431296), (162, 2416288), (168, 2329992), (184, 2127384), (189, 2071104), (192, 2038743), (196, 1997136), (201, 1947456), (207, 1891008), (216, 1812216), (224, 1747494), (252, 1553328), (268, 1460592), (276, 1418256), (288, 1359162), (294, 1331424), (322, 1215648), (324, 1208144), (336, 1164996), (368, 1063692), (378, 1035552), (392, 998568), (402, 973728), (414, 945504), (432, 906108), (441, 887616), (448, 873747), (469, 834624), (483, 810432), (504, 776664), (536, 730296), (552, 709128), (567, 690368), (576, 679581), (588, 665712), (603, 649152), (621, 630336), (644, 607824), (648, 604072), (672, 582498), (736, 531846), (756, 517776), (784, 499284), (804, 486864), (828, 472752), (864, 453054), (882, 443808), (938, 417312), (966, 405216), (1008, 388332), (1072, 365148), (1104, 354564), (1127, 347328), (1134, 345184), (1176, 332856), (1206, 324576), (1242, 315168), (1288, 303912), (1296, 302036), (1323, 295872), (1344, 291249), (1407, 278208), (1449, 270144), (1472, 265923), (1512, 258888), (1541, 254016), (1568, 249642), (1608, 243432), (1656, 236376), (1728, 226527), (1764, 221904), (1809, 216384), (1863, 210112), (1876, 208656), (1932, 202608), (2016, 194166), (2144, 182574), (2208, 177282), (2254, 173664), (2268, 172592), (2352, 166428), (2412, 162288), (2484, 157584), (2576, 151956), (2592, 151018), (2646, 147936), (2814, 139104), (2898, 135072), (3024, 129444), (3082, 127008), (3136, 124821), (3216, 121716), (3283, 119232), (3312, 118188), (3381, 115776), (3528, 110952), (3618, 108192), (3726, 105056), (3752, 104328), (3864, 101304), (3969, 98624), (4032, 97083), (4221, 92736), (4288, 91287), (4347, 90048), (4416, 88641), (4508, 86832), (4536, 86296), (4623, 84672), (4704, 83214), (4824, 81144), (4968, 78792), (5152, 75978), (5184, 75509), (5292, 73968), (5427, 72128), (5628, 69552), (5796, 67536), (6048, 64722), (6164, 63504), (6432, 60858), (6566, 59616), (6624, 59094), (6762, 57888), (7056, 55476), (7236, 54096), (7452, 52528), (7504, 52164), (7728, 50652), (7938, 49312), (8442, 46368), (8694, 45024), (9016, 43416), (9072, 43148), (9246, 42336), (9408, 41607), (9648, 40572), (9849, 39744), (9936, 39396), (10143, 38592), (10304, 37989), (10584, 36984), (10787, 36288), (10854, 36064), (11256, 34776), (11592, 33768), (12096, 32361), (12328, 31752), (12663, 30912), (12864, 30429), (13041, 30016), (13132, 29808), (13248, 29547), (13524, 28944), (13869, 28224), (14112, 27738), (14472, 27048), (14904, 26264), (15008, 26082), (15456, 25326), (15876, 24656), (16884, 23184), (17388, 22512), (18032, 21708), (18144, 21574), (18492, 21168), (19296, 20286), (19698, 19872)]