398433421

素因数分解:

${\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{20051}}^1$

素因数の和:20723

約数の個数: 8

約数和(自身を含む): 411948288

約数和(自身を除く): 13514867

約数列:

[1, 31, 641, 19871, 20051, 621581, 12852691, 398433421]

約数ペア:

[(1, 398433421), (31, 12852691), (641, 621581), (19871, 20051)]