51716903

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 63502560

約数和(自身を除く): 11785657

約数列:

[1, 7, 23, 49, 109, 161, 421, 763, 1127, 2507, 2947, 5341, 9683, 17549, 20629, 45889, 67781, 122843, 321223, 474467, 1055447, 2248561, 7388129, 51716903]

約数ペア:

[(1, 51716903), (7, 7388129), (23, 2248561), (49, 1055447), (109, 474467), (161, 321223), (421, 122843), (763, 67781), (1127, 45889), (2507, 20629), (2947, 17549), (5341, 9683)]