16855996825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{126713}}^1$

素因数の和:127053

約数の個数: 24

約数和(自身を含む): 22201813368

約数和(自身を除く): 5345816543

約数列:

[1, 5, 17, 25, 85, 313, 425, 1565, 5321, 7825, 26605, 126713, 133025, 633565, 2154121, 3167825, 10770605, 39661169, 53853025, 198305845, 674239873, 991529225, 3371199365, 16855996825]

約数ペア:

[(1, 16855996825), (5, 3371199365), (17, 991529225), (25, 674239873), (85, 198305845), (313, 53853025), (425, 39661169), (1565, 10770605), (5321, 3167825), (7825, 2154121), (26605, 633565), (126713, 133025)]