256819072

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 530004240

約数和(自身を除く): 273185168

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 211, 257, 296, 422, 514, 592, 844, 1028, 1184, 1688, 2056, 2368, 3376, 4112, 4736, 6752, 7807, 8224, 9509, 13504, 15614, 16448, 19018, 27008, 31228, 32896, 38036, 54227, 62456, 76072, 108454, 124912, 152144, 216908, 249824, 304288, 433816, 499648, 608576, 867632, 999296, 1217152, 1735264, 2006399, 3470528, 4012798, 6941056, 8025596, 16051192, 32102384, 64204768, 128409536, 256819072]

約数ペア:

[(1, 256819072), (2, 128409536), (4, 64204768), (8, 32102384), (16, 16051192), (32, 8025596), (37, 6941056), (64, 4012798), (74, 3470528), (128, 2006399), (148, 1735264), (211, 1217152), (257, 999296), (296, 867632), (422, 608576), (514, 499648), (592, 433816), (844, 304288), (1028, 249824), (1184, 216908), (1688, 152144), (2056, 124912), (2368, 108454), (3376, 76072), (4112, 62456), (4736, 54227), (6752, 38036), (7807, 32896), (8224, 31228), (9509, 27008), (13504, 19018), (15614, 16448)]