638045213182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{285953}}^1\times {\mathrm{85819}}^1$

素因数の和:371787

約数の個数: 16

約数和(自身を含む): 1030704035760

約数和(自身を除く): 392658822578

約数列:

[1, 2, 13, 26, 85819, 171638, 285953, 571906, 1115647, 2231294, 3717389, 7434778, 24540200507, 49080401014, 319022606591, 638045213182]

約数ペア:

[(1, 638045213182), (2, 319022606591), (13, 49080401014), (26, 24540200507), (85819, 7434778), (171638, 3717389), (285953, 2231294), (571906, 1115647)]