28715519

素因数分解:

$7^2\times {\mathrm{151}}^1\times {\mathrm{3881}}^1$

素因数の和:4046

約数の個数: 12

約数和(自身を含む): 33633648

約数和(自身を除く): 4918129

約数列:

[1, 7, 49, 151, 1057, 3881, 7399, 27167, 190169, 586031, 4102217, 28715519]

約数ペア:

[(1, 28715519), (7, 4102217), (49, 586031), (151, 190169), (1057, 27167), (3881, 7399)]