257003208

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:488

約数の個数: 192

約数和(自身を含む): 876395520

約数和(自身を除く): 619392312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 77, 84, 88, 99, 126, 132, 151, 154, 168, 198, 231, 252, 264, 302, 307, 308, 396, 453, 462, 504, 604, 614, 616, 693, 792, 906, 921, 924, 1057, 1208, 1228, 1359, 1386, 1661, 1812, 1842, 1848, 2114, 2149, 2456, 2718, 2763, 2772, 3171, 3322, 3377, 3624, 3684, 4228, 4298, 4983, 5436, 5526, 5544, 6342, 6447, 6644, 6754, 7368, 8456, 8596, 9513, 9966, 10131, 10872, 11052, 11627, 12684, 12894, 13288, 13508, 14949, 17192, 19026, 19341, 19932, 20262, 22104, 23254, 23639, 25368, 25788, 27016, 29898, 30393, 34881, 38052, 38682, 39864, 40524, 46357, 46508, 47278, 51576, 59796, 60786, 69762, 70917, 76104, 77364, 81048, 92714, 93016, 94556, 104643, 119592, 121572, 139071, 139524, 141834, 154728, 185428, 189112, 209286, 212751, 243144, 278142, 279048, 283668, 324499, 370856, 417213, 418572, 425502, 509927, 556284, 567336, 648998, 834426, 837144, 851004, 973497, 1019854, 1112568, 1297996, 1529781, 1668852, 1702008, 1946994, 2039708, 2595992, 2920491, 3059562, 3337704, 3569489, 3893988, 4079416, 4589343, 5840982, 6119124, 7138978, 7787976, 9178686, 10708467, 11681964, 12238248, 14277956, 18357372, 21416934, 23363928, 28555912, 32125401, 36714744, 42833868, 64250802, 85667736, 128501604, 257003208]

約数ペア:

[(1, 257003208), (2, 128501604), (3, 85667736), (4, 64250802), (6, 42833868), (7, 36714744), (8, 32125401), (9, 28555912), (11, 23363928), (12, 21416934), (14, 18357372), (18, 14277956), (21, 12238248), (22, 11681964), (24, 10708467), (28, 9178686), (33, 7787976), (36, 7138978), (42, 6119124), (44, 5840982), (56, 4589343), (63, 4079416), (66, 3893988), (72, 3569489), (77, 3337704), (84, 3059562), (88, 2920491), (99, 2595992), (126, 2039708), (132, 1946994), (151, 1702008), (154, 1668852), (168, 1529781), (198, 1297996), (231, 1112568), (252, 1019854), (264, 973497), (302, 851004), (307, 837144), (308, 834426), (396, 648998), (453, 567336), (462, 556284), (504, 509927), (604, 425502), (614, 418572), (616, 417213), (693, 370856), (792, 324499), (906, 283668), (921, 279048), (924, 278142), (1057, 243144), (1208, 212751), (1228, 209286), (1359, 189112), (1386, 185428), (1661, 154728), (1812, 141834), (1842, 139524), (1848, 139071), (2114, 121572), (2149, 119592), (2456, 104643), (2718, 94556), (2763, 93016), (2772, 92714), (3171, 81048), (3322, 77364), (3377, 76104), (3624, 70917), (3684, 69762), (4228, 60786), (4298, 59796), (4983, 51576), (5436, 47278), (5526, 46508), (5544, 46357), (6342, 40524), (6447, 39864), (6644, 38682), (6754, 38052), (7368, 34881), (8456, 30393), (8596, 29898), (9513, 27016), (9966, 25788), (10131, 25368), (10872, 23639), (11052, 23254), (11627, 22104), (12684, 20262), (12894, 19932), (13288, 19341), (13508, 19026), (14949, 17192)]