2011781239

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{384001}}^1$

素因数の和:384058

約数の個数: 12

約数和(自身を含む): 2248715712

約数和(自身を除く): 236934473

約数列:

[1, 13, 31, 169, 403, 5239, 384001, 4992013, 11904031, 64896169, 154752403, 2011781239]

約数ペア:

[(1, 2011781239), (13, 154752403), (31, 64896169), (169, 11904031), (403, 4992013), (5239, 384001)]