2080352155

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{398917}}^1$

素因数の和:399078

約数の個数: 16

約数和(自身を含む): 2872209600

約数和(自身を除く): 791857445

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 398917, 1994585, 2792419, 13962095, 59438633, 297193165, 416070431, 2080352155]

約数ペア:

[(1, 2080352155), (5, 416070431), (7, 297193165), (35, 59438633), (149, 13962095), (745, 2792419), (1043, 1994585), (5215, 398917)]