38991123456

素因数分解:

$2^{10}\times 3^1\times {\mathrm{31}}^1\times {\mathrm{409433}}^1$

素因数の和:409487

約数の個数: 88

約数和(自身を含む): 107278258944

約数和(自身を除く): 68287135488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 744, 768, 992, 1024, 1488, 1536, 1984, 2976, 3072, 3968, 5952, 7936, 11904, 15872, 23808, 31744, 47616, 95232, 409433, 818866, 1228299, 1637732, 2456598, 3275464, 4913196, 6550928, 9826392, 12692423, 13101856, 19652784, 25384846, 26203712, 38077269, 39305568, 50769692, 52407424, 76154538, 78611136, 101539384, 104814848, 152309076, 157222272, 203078768, 209629696, 304618152, 314444544, 406157536, 419259392, 609236304, 628889088, 812315072, 1218472608, 1257778176, 1624630144, 2436945216, 3249260288, 4873890432, 6498520576, 9747780864, 12997041152, 19495561728, 38991123456]

約数ペア:

[(1, 38991123456), (2, 19495561728), (3, 12997041152), (4, 9747780864), (6, 6498520576), (8, 4873890432), (12, 3249260288), (16, 2436945216), (24, 1624630144), (31, 1257778176), (32, 1218472608), (48, 812315072), (62, 628889088), (64, 609236304), (93, 419259392), (96, 406157536), (124, 314444544), (128, 304618152), (186, 209629696), (192, 203078768), (248, 157222272), (256, 152309076), (372, 104814848), (384, 101539384), (496, 78611136), (512, 76154538), (744, 52407424), (768, 50769692), (992, 39305568), (1024, 38077269), (1488, 26203712), (1536, 25384846), (1984, 19652784), (2976, 13101856), (3072, 12692423), (3968, 9826392), (5952, 6550928), (7936, 4913196), (11904, 3275464), (15872, 2456598), (23808, 1637732), (31744, 1228299), (47616, 818866), (95232, 409433)]