740840399

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{257863}}^1$

素因数の和:257906

約数の個数: 12

約数和(自身を含む): 849404016

約数和(自身を除く): 108563617

約数列:

[1, 13, 17, 169, 221, 2873, 257863, 3352219, 4383671, 43578847, 56987723, 740840399]

約数ペア:

[(1, 740840399), (13, 56987723), (17, 43578847), (169, 4383671), (221, 3352219), (2873, 257863)]