13898717

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 16503552

約数和(自身を除く): 2604835

約数列:

[1, 7, 37, 103, 259, 521, 721, 3647, 3811, 19277, 26677, 53663, 134939, 375641, 1985531, 13898717]

約数ペア:

[(1, 13898717), (7, 1985531), (37, 375641), (103, 134939), (259, 53663), (521, 26677), (721, 19277), (3647, 3811)]