204516556

素因数分解:

$2^2\times {\mathrm{359}}^1\times {\mathrm{142421}}^1$

素因数の和:142784

約数の個数: 12

約数和(自身を含む): 358903440

約数和(自身を除く): 154386884

約数列:

[1, 2, 4, 359, 718, 1436, 142421, 284842, 569684, 51129139, 102258278, 204516556]

約数ペア:

[(1, 204516556), (2, 102258278), (4, 51129139), (359, 569684), (718, 284842), (1436, 142421)]