139985911

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 158662464

約数和(自身を除く): 18676553

約数列:

[1, 13, 37, 61, 169, 367, 481, 793, 2257, 4771, 6253, 10309, 13579, 22387, 29341, 62023, 176527, 291031, 381433, 828319, 2294851, 3783403, 10768147, 139985911]

約数ペア:

[(1, 139985911), (13, 10768147), (37, 3783403), (61, 2294851), (169, 828319), (367, 381433), (481, 291031), (793, 176527), (2257, 62023), (4771, 29341), (6253, 22387), (10309, 13579)]