68704270

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{13187}}^1$

素因数の和:13715

約数の個数: 16

約数和(自身を含む): 123914448

約数和(自身を除く): 55210178

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 13187, 26374, 65935, 131870, 6870427, 13740854, 34352135, 68704270]

約数ペア:

[(1, 68704270), (2, 34352135), (5, 13740854), (10, 6870427), (521, 131870), (1042, 65935), (2605, 26374), (5210, 13187)]