40820689

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{26387}}^1$

素因数の和:26424

約数の個数: 16

約数和(自身を含む): 53198208

約数和(自身を除く): 12377519

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 26387, 184709, 343031, 448579, 2401217, 3140053, 5831527, 40820689]

約数ペア:

[(1, 40820689), (7, 5831527), (13, 3140053), (17, 2401217), (91, 448579), (119, 343031), (221, 184709), (1547, 26387)]