81318718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{183979}}^1$

素因数の和:184011

約数の個数: 16

約数和(自身を含む): 139088880

約数和(自身を除く): 57770162

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 183979, 367958, 2391727, 3127643, 4783454, 6255286, 40659359, 81318718]

約数ペア:

[(1, 81318718), (2, 40659359), (13, 6255286), (17, 4783454), (26, 3127643), (34, 2391727), (221, 367958), (442, 183979)]