172802204

素因数分解:

$2^2\times {\mathrm{2161}}^1\times {\mathrm{19991}}^1$

素因数の和:22156

約数の個数: 12

約数和(自身を含む): 302558928

約数和(自身を除く): 129756724

約数列:

[1, 2, 4, 2161, 4322, 8644, 19991, 39982, 79964, 43200551, 86401102, 172802204]

約数ペア:

[(1, 172802204), (2, 86401102), (4, 43200551), (2161, 79964), (4322, 39982), (8644, 19991)]