81965012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{937}}^1\times {\mathrm{1151}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 151280640

約数和(自身を除く): 69315628

約数列:

[1, 2, 4, 19, 38, 76, 937, 1151, 1874, 2302, 3748, 4604, 17803, 21869, 35606, 43738, 71212, 87476, 1078487, 2156974, 4313948, 20491253, 40982506, 81965012]

約数ペア:

[(1, 81965012), (2, 40982506), (4, 20491253), (19, 4313948), (38, 2156974), (76, 1078487), (937, 87476), (1151, 71212), (1874, 43738), (2302, 35606), (3748, 21869), (4604, 17803)]