129631372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{3877}}^1$

素因数の和:4537

約数の個数: 24

約数和(自身を含む): 244748336

約数和(自身を除く): 115116964

約数列:

[1, 2, 4, 13, 26, 52, 643, 1286, 2572, 3877, 7754, 8359, 15508, 16718, 33436, 50401, 100802, 201604, 2492911, 4985822, 9971644, 32407843, 64815686, 129631372]

約数ペア:

[(1, 129631372), (2, 64815686), (4, 32407843), (13, 9971644), (26, 4985822), (52, 2492911), (643, 201604), (1286, 100802), (2572, 50401), (3877, 33436), (7754, 16718), (8359, 15508)]