131306628

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{78721}}^1$

素因数の和:78867

約数の個数: 24

約数和(自身を含む): 308590240

約数和(自身を除く): 177283612

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 78721, 157442, 236163, 314884, 472326, 944652, 10942219, 21884438, 32826657, 43768876, 65653314, 131306628]

約数ペア:

[(1, 131306628), (2, 65653314), (3, 43768876), (4, 32826657), (6, 21884438), (12, 10942219), (139, 944652), (278, 472326), (417, 314884), (556, 236163), (834, 157442), (1668, 78721)]