77919925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1319}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 103118400

約数和(自身を除く): 25198475

約数列:

[1, 5, 17, 25, 85, 139, 425, 695, 1319, 2363, 3475, 6595, 11815, 22423, 32975, 59075, 112115, 183341, 560575, 916705, 3116797, 4583525, 15583985, 77919925]

約数ペア:

[(1, 77919925), (5, 15583985), (17, 4583525), (25, 3116797), (85, 916705), (139, 560575), (425, 183341), (695, 112115), (1319, 59075), (2363, 32975), (3475, 22423), (6595, 11815)]