1621453312

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{166679}}^1$

素因数の和:166716

約数の個数: 40

約数和(自身を含む): 3410272800

約数和(自身を除く): 1788819488

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 166679, 333358, 666716, 1333432, 2666864, 3166901, 5333728, 6333802, 10667456, 12667604, 21334912, 25335208, 42669824, 50670416, 85339648, 101340832, 202681664, 405363328, 810726656, 1621453312]

約数ペア:

[(1, 1621453312), (2, 810726656), (4, 405363328), (8, 202681664), (16, 101340832), (19, 85339648), (32, 50670416), (38, 42669824), (64, 25335208), (76, 21334912), (128, 12667604), (152, 10667456), (256, 6333802), (304, 5333728), (512, 3166901), (608, 2666864), (1216, 1333432), (2432, 666716), (4864, 333358), (9728, 166679)]