1290380425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{1665007}}^1$

素因数の和:1665048

約数の個数: 12

約数和(自身を含む): 1651687936

約数和(自身を除く): 361307511

約数列:

[1, 5, 25, 31, 155, 775, 1665007, 8325035, 41625175, 51615217, 258076085, 1290380425]

約数ペア:

[(1, 1290380425), (5, 258076085), (25, 51615217), (31, 41625175), (155, 8325035), (775, 1665007)]