664702975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{1564007}}^1$

素因数の和:1564034

約数の個数: 12

約数和(自身を含む): 872716464

約数和(自身を除く): 208013489

約数列:

[1, 5, 17, 25, 85, 425, 1564007, 7820035, 26588119, 39100175, 132940595, 664702975]

約数ペア:

[(1, 664702975), (5, 132940595), (17, 39100175), (25, 26588119), (85, 7820035), (425, 1564007)]