2120665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 2745360

約数和(自身を除く): 624695

約数列:

[1, 5, 17, 61, 85, 305, 409, 1037, 2045, 5185, 6953, 24949, 34765, 124745, 424133, 2120665]

約数ペア:

[(1, 2120665), (5, 424133), (17, 124745), (61, 34765), (85, 24949), (305, 6953), (409, 5185), (1037, 2045)]