220121447

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{10037}}^1$

素因数の和:10298

約数の個数: 16

約数和(自身を含む): 272069952

約数和(自身を除く): 51948505

約数列:

[1, 7, 13, 91, 241, 1687, 3133, 10037, 21931, 70259, 130481, 913367, 2418917, 16932419, 31445921, 220121447]

約数ペア:

[(1, 220121447), (7, 31445921), (13, 16932419), (91, 2418917), (241, 913367), (1687, 130481), (3133, 70259), (10037, 21931)]