158391919

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{6661}}^1$

素因数の和:6790

約数の個数: 16

約数和(自身を含む): 187601920

約数和(自身を除く): 29210001

約数列:

[1, 7, 43, 79, 301, 553, 3397, 6661, 23779, 46627, 286423, 526219, 2004961, 3683533, 22627417, 158391919]

約数ペア:

[(1, 158391919), (7, 22627417), (43, 3683533), (79, 2004961), (301, 526219), (553, 286423), (3397, 46627), (6661, 23779)]