13203412985

素因数分解:

$5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{840179}}^1$

素因数の和:840640

約数の個数: 16

約数和(自身を含む): 18147888000

約数和(自身を除く): 4944475015

約数列:

[1, 5, 7, 35, 449, 2245, 3143, 15715, 840179, 4200895, 5881253, 29406265, 377240371, 1886201855, 2640682597, 13203412985]

約数ペア:

[(1, 13203412985), (5, 2640682597), (7, 1886201855), (35, 377240371), (449, 29406265), (2245, 5881253), (3143, 4200895), (15715, 840179)]