64700901652

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{394517693}}^1$

素因数の和:394517738

約数の個数: 12

約数和(自身を含む): 115988202036

約数和(自身を除く): 51287300384

約数列:

[1, 2, 4, 41, 82, 164, 394517693, 789035386, 1578070772, 16175225413, 32350450826, 64700901652]

約数ペア:

[(1, 64700901652), (2, 32350450826), (4, 16175225413), (41, 1578070772), (82, 789035386), (164, 394517693)]