81257506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1663}}^1\times {\mathrm{2221}}^1$

素因数の和:3897

約数の個数: 16

約数和(自身を含む): 133106688

約数和(自身を除く): 51849182

約数列:

[1, 2, 11, 22, 1663, 2221, 3326, 4442, 18293, 24431, 36586, 48862, 3693523, 7387046, 40628753, 81257506]

約数ペア:

[(1, 81257506), (2, 40628753), (11, 7387046), (22, 3693523), (1663, 48862), (2221, 36586), (3326, 24431), (4442, 18293)]