81820354

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31253}}^1$

素因数の和:31290

約数の個数: 32

約数和(自身を含む): 162020736

約数和(自身を除く): 80200382

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 31253, 62506, 218771, 343783, 437542, 531301, 687566, 1062602, 2406481, 3719107, 4812962, 5844311, 7438214, 11688622, 40910177, 81820354]

約数ペア:

[(1, 81820354), (2, 40910177), (7, 11688622), (11, 7438214), (14, 5844311), (17, 4812962), (22, 3719107), (34, 2406481), (77, 1062602), (119, 687566), (154, 531301), (187, 437542), (238, 343783), (374, 218771), (1309, 62506), (2618, 31253)]