139686428

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{28837}}^1$

素因数の和:29021

約数の個数: 24

約数和(自身を含む): 280997472

約数和(自身を除く): 141311044

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4844, 28837, 57674, 115348, 201859, 403718, 807436, 4988801, 9977602, 19955204, 34921607, 69843214, 139686428]

約数ペア:

[(1, 139686428), (2, 69843214), (4, 34921607), (7, 19955204), (14, 9977602), (28, 4988801), (173, 807436), (346, 403718), (692, 201859), (1211, 115348), (2422, 57674), (4844, 28837)]