257694528

素因数分解:

$2^6\times 3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 280

約数和(自身を含む): 876511328

約数和(自身を除く): 618816800

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 43, 48, 49, 52, 56, 64, 78, 84, 86, 91, 96, 98, 104, 112, 129, 147, 156, 168, 172, 182, 192, 196, 208, 224, 258, 273, 294, 301, 312, 336, 343, 344, 364, 392, 416, 448, 516, 546, 559, 588, 602, 624, 637, 672, 686, 688, 728, 784, 832, 903, 1029, 1032, 1092, 1118, 1176, 1204, 1248, 1274, 1344, 1372, 1376, 1456, 1568, 1677, 1806, 1911, 2058, 2064, 2107, 2184, 2236, 2352, 2401, 2408, 2496, 2548, 2744, 2752, 2912, 3136, 3354, 3612, 3822, 3913, 4116, 4128, 4214, 4368, 4459, 4472, 4704, 4802, 4816, 5096, 5488, 5824, 6321, 6708, 7203, 7224, 7644, 7826, 8232, 8256, 8428, 8736, 8918, 8944, 9408, 9604, 9632, 10192, 10976, 11739, 12642, 13377, 13416, 14406, 14448, 14749, 15288, 15652, 16464, 16856, 17472, 17836, 17888, 19208, 19264, 20384, 21952, 23478, 25284, 26754, 26832, 27391, 28812, 28896, 29498, 30576, 31213, 31304, 32928, 33712, 35672, 35776, 38416, 40768, 44247, 46956, 50568, 53508, 53664, 54782, 57624, 57792, 58996, 61152, 62426, 62608, 65856, 67424, 71344, 76832, 82173, 88494, 93639, 93912, 101136, 103243, 107016, 107328, 109564, 115248, 117992, 122304, 124852, 125216, 134848, 142688, 153664, 164346, 176988, 187278, 187824, 191737, 202272, 206486, 214032, 219128, 230496, 235984, 249704, 250432, 285376, 309729, 328692, 353976, 374556, 375648, 383474, 404544, 412972, 428064, 438256, 460992, 471968, 499408, 575211, 619458, 657384, 707952, 749112, 751296, 766948, 825944, 856128, 876512, 943936, 998816, 1150422, 1238916, 1314768, 1342159, 1415904, 1498224, 1533896, 1651888, 1753024, 1997632, 2300844, 2477832, 2629536, 2684318, 2831808, 2996448, 3067792, 3303776, 4026477, 4601688, 4955664, 5259072, 5368636, 5992896, 6135584, 6607552, 8052954, 9203376, 9911328, 10737272, 12271168, 16105908, 18406752, 19822656, 21474544, 32211816, 36813504, 42949088, 64423632, 85898176, 128847264, 257694528]

約数ペア:

[(1, 257694528), (2, 128847264), (3, 85898176), (4, 64423632), (6, 42949088), (7, 36813504), (8, 32211816), (12, 21474544), (13, 19822656), (14, 18406752), (16, 16105908), (21, 12271168), (24, 10737272), (26, 9911328), (28, 9203376), (32, 8052954), (39, 6607552), (42, 6135584), (43, 5992896), (48, 5368636), (49, 5259072), (52, 4955664), (56, 4601688), (64, 4026477), (78, 3303776), (84, 3067792), (86, 2996448), (91, 2831808), (96, 2684318), (98, 2629536), (104, 2477832), (112, 2300844), (129, 1997632), (147, 1753024), (156, 1651888), (168, 1533896), (172, 1498224), (182, 1415904), (192, 1342159), (196, 1314768), (208, 1238916), (224, 1150422), (258, 998816), (273, 943936), (294, 876512), (301, 856128), (312, 825944), (336, 766948), (343, 751296), (344, 749112), (364, 707952), (392, 657384), (416, 619458), (448, 575211), (516, 499408), (546, 471968), (559, 460992), (588, 438256), (602, 428064), (624, 412972), (637, 404544), (672, 383474), (686, 375648), (688, 374556), (728, 353976), (784, 328692), (832, 309729), (903, 285376), (1029, 250432), (1032, 249704), (1092, 235984), (1118, 230496), (1176, 219128), (1204, 214032), (1248, 206486), (1274, 202272), (1344, 191737), (1372, 187824), (1376, 187278), (1456, 176988), (1568, 164346), (1677, 153664), (1806, 142688), (1911, 134848), (2058, 125216), (2064, 124852), (2107, 122304), (2184, 117992), (2236, 115248), (2352, 109564), (2401, 107328), (2408, 107016), (2496, 103243), (2548, 101136), (2744, 93912), (2752, 93639), (2912, 88494), (3136, 82173), (3354, 76832), (3612, 71344), (3822, 67424), (3913, 65856), (4116, 62608), (4128, 62426), (4214, 61152), (4368, 58996), (4459, 57792), (4472, 57624), (4704, 54782), (4802, 53664), (4816, 53508), (5096, 50568), (5488, 46956), (5824, 44247), (6321, 40768), (6708, 38416), (7203, 35776), (7224, 35672), (7644, 33712), (7826, 32928), (8232, 31304), (8256, 31213), (8428, 30576), (8736, 29498), (8918, 28896), (8944, 28812), (9408, 27391), (9604, 26832), (9632, 26754), (10192, 25284), (10976, 23478), (11739, 21952), (12642, 20384), (13377, 19264), (13416, 19208), (14406, 17888), (14448, 17836), (14749, 17472), (15288, 16856), (15652, 16464)]