209306042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{864901}}^1$

素因数の和:864925

約数の個数: 12

約数和(自身を含む): 345095898

約数和(自身を除く): 135789856

約数列:

[1, 2, 11, 22, 121, 242, 864901, 1729802, 9513911, 19027822, 104653021, 209306042]

約数ペア:

[(1, 209306042), (2, 104653021), (11, 19027822), (22, 9513911), (121, 1729802), (242, 864901)]