208519312

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{42451}}^1$

素因数の和:42766

約数の個数: 20

約数和(自身を含む): 405331696

約数和(自身を除く): 196812384

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 42451, 84902, 169804, 339608, 679216, 13032457, 26064914, 52129828, 104259656, 208519312]

約数ペア:

[(1, 208519312), (2, 104259656), (4, 52129828), (8, 26064914), (16, 13032457), (307, 679216), (614, 339608), (1228, 169804), (2456, 84902), (4912, 42451)]