68704564

素因数分解:

$2^2\times {\mathrm{821}}^1\times {\mathrm{20921}}^1$

素因数の和:21746

約数の個数: 12

約数和(自身を含む): 120385188

約数和(自身を除く): 51680624

約数列:

[1, 2, 4, 821, 1642, 3284, 20921, 41842, 83684, 17176141, 34352282, 68704564]

約数ペア:

[(1, 68704564), (2, 34352282), (4, 17176141), (821, 83684), (1642, 41842), (3284, 20921)]