71645399

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 87114240

約数和(自身を除く): 15468841

約数列:

[1, 7, 29, 49, 127, 203, 397, 889, 1421, 2779, 3683, 6223, 11513, 19453, 25781, 50419, 80591, 180467, 352933, 564137, 1462151, 2470531, 10235057, 71645399]

約数ペア:

[(1, 71645399), (7, 10235057), (29, 2470531), (49, 1462151), (127, 564137), (203, 352933), (397, 180467), (889, 80591), (1421, 50419), (2779, 25781), (3683, 19453), (6223, 11513)]