138520741

素因数分解:

${\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{6971}}^1$

素因数の和:7643

約数の個数: 8

約数和(自身を含む): 143232768

約数和(自身を除く): 4712027

約数列:

[1, 31, 641, 6971, 19871, 216101, 4468411, 138520741]

約数ペア:

[(1, 138520741), (31, 4468411), (641, 216101), (6971, 19871)]