209911042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{867401}}^1$

素因数の和:867425

約数の個数: 12

約数和(自身を含む): 346093398

約数和(自身を除く): 136182356

約数列:

[1, 2, 11, 22, 121, 242, 867401, 1734802, 9541411, 19082822, 104955521, 209911042]

約数ペア:

[(1, 209911042), (2, 104955521), (11, 19082822), (22, 9541411), (121, 1734802), (242, 867401)]