393465671

素因数分解:

${\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{19801}}^1$

素因数の和:20473

約数の個数: 8

約数和(自身を含む): 406812288

約数和(自身を除く): 13346617

約数列:

[1, 31, 641, 19801, 19871, 613831, 12692441, 393465671]

約数ペア:

[(1, 393465671), (31, 12692441), (641, 613831), (19801, 19871)]