661090367

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1548221}}^1$

素因数の和:1548289

約数の個数: 8

約数和(自身を含む): 767918112

約数和(自身を除く): 106827745

約数列:

[1, 7, 61, 427, 1548221, 10837547, 94441481, 661090367]

約数ペア:

[(1, 661090367), (7, 94441481), (61, 10837547), (427, 1548221)]