208738946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{20021}}^1$

素因数の和:20437

約数の個数: 16

約数和(自身を含む): 338051448

約数和(自身を除く): 129312502

約数列:

[1, 2, 13, 26, 401, 802, 5213, 10426, 20021, 40042, 260273, 520546, 8028421, 16056842, 104369473, 208738946]

約数ペア:

[(1, 208738946), (2, 104369473), (13, 16056842), (26, 8028421), (401, 520546), (802, 260273), (5213, 40042), (10426, 20021)]