81595376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{299983}}^1$

素因数の和:300008

約数の個数: 20

約数和(自身を含む): 167391072

約数和(自身を除く): 85795696

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 299983, 599966, 1199932, 2399864, 4799728, 5099711, 10199422, 20398844, 40797688, 81595376]

約数ペア:

[(1, 81595376), (2, 40797688), (4, 20398844), (8, 10199422), (16, 5099711), (17, 4799728), (34, 2399864), (68, 1199932), (136, 599966), (272, 299983)]