217561968

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 240

約数和(自身を含む): 710621184

約数和(自身を除く): 493059216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 31, 36, 39, 46, 48, 52, 62, 69, 72, 78, 92, 93, 104, 117, 124, 138, 144, 156, 163, 184, 186, 207, 208, 234, 248, 276, 279, 299, 312, 326, 368, 372, 403, 414, 468, 489, 496, 552, 558, 598, 624, 652, 713, 744, 806, 828, 897, 936, 978, 1104, 1116, 1196, 1209, 1304, 1426, 1467, 1488, 1612, 1656, 1794, 1872, 1956, 2119, 2139, 2232, 2392, 2418, 2608, 2691, 2852, 2934, 3224, 3312, 3588, 3627, 3749, 3912, 4238, 4278, 4464, 4784, 4836, 5053, 5382, 5704, 5868, 6357, 6417, 6448, 7176, 7254, 7498, 7824, 8476, 8556, 9269, 9672, 10106, 10764, 11247, 11408, 11736, 12714, 12834, 14352, 14508, 14996, 15159, 16952, 17112, 18538, 19071, 19344, 20212, 21528, 22494, 23472, 25428, 25668, 27807, 29016, 29992, 30318, 33741, 33904, 34224, 37076, 38142, 40424, 43056, 44988, 45477, 48737, 50856, 51336, 55614, 58032, 59984, 60636, 65689, 67482, 74152, 76284, 80848, 83421, 89976, 90954, 97474, 101712, 102672, 111228, 116219, 121272, 131378, 134964, 146211, 148304, 152568, 166842, 179952, 181908, 194948, 197067, 222456, 232438, 242544, 262756, 269928, 292422, 305136, 333684, 348657, 363816, 389896, 394134, 438633, 444912, 464876, 525512, 539856, 584844, 591201, 667368, 697314, 727632, 779792, 788268, 877266, 929752, 1045971, 1051024, 1169688, 1182402, 1334736, 1394628, 1510847, 1576536, 1754532, 1859504, 2091942, 2339376, 2364804, 2789256, 3021694, 3153072, 3509064, 4183884, 4532541, 4729608, 5578512, 6043388, 7018128, 8367768, 9065082, 9459216, 12086776, 13597623, 16735536, 18130164, 24173552, 27195246, 36260328, 54390492, 72520656, 108780984, 217561968]

約数ペア:

[(1, 217561968), (2, 108780984), (3, 72520656), (4, 54390492), (6, 36260328), (8, 27195246), (9, 24173552), (12, 18130164), (13, 16735536), (16, 13597623), (18, 12086776), (23, 9459216), (24, 9065082), (26, 8367768), (31, 7018128), (36, 6043388), (39, 5578512), (46, 4729608), (48, 4532541), (52, 4183884), (62, 3509064), (69, 3153072), (72, 3021694), (78, 2789256), (92, 2364804), (93, 2339376), (104, 2091942), (117, 1859504), (124, 1754532), (138, 1576536), (144, 1510847), (156, 1394628), (163, 1334736), (184, 1182402), (186, 1169688), (207, 1051024), (208, 1045971), (234, 929752), (248, 877266), (276, 788268), (279, 779792), (299, 727632), (312, 697314), (326, 667368), (368, 591201), (372, 584844), (403, 539856), (414, 525512), (468, 464876), (489, 444912), (496, 438633), (552, 394134), (558, 389896), (598, 363816), (624, 348657), (652, 333684), (713, 305136), (744, 292422), (806, 269928), (828, 262756), (897, 242544), (936, 232438), (978, 222456), (1104, 197067), (1116, 194948), (1196, 181908), (1209, 179952), (1304, 166842), (1426, 152568), (1467, 148304), (1488, 146211), (1612, 134964), (1656, 131378), (1794, 121272), (1872, 116219), (1956, 111228), (2119, 102672), (2139, 101712), (2232, 97474), (2392, 90954), (2418, 89976), (2608, 83421), (2691, 80848), (2852, 76284), (2934, 74152), (3224, 67482), (3312, 65689), (3588, 60636), (3627, 59984), (3749, 58032), (3912, 55614), (4238, 51336), (4278, 50856), (4464, 48737), (4784, 45477), (4836, 44988), (5053, 43056), (5382, 40424), (5704, 38142), (5868, 37076), (6357, 34224), (6417, 33904), (6448, 33741), (7176, 30318), (7254, 29992), (7498, 29016), (7824, 27807), (8476, 25668), (8556, 25428), (9269, 23472), (9672, 22494), (10106, 21528), (10764, 20212), (11247, 19344), (11408, 19071), (11736, 18538), (12714, 17112), (12834, 16952), (14352, 15159), (14508, 14996)]