7997575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 10602000

約数和(自身を除く): 2604425

約数列:

[1, 5, 19, 25, 95, 113, 149, 475, 565, 745, 2147, 2825, 2831, 3725, 10735, 14155, 16837, 53675, 70775, 84185, 319903, 420925, 1599515, 7997575]

約数ペア:

[(1, 7997575), (5, 1599515), (19, 420925), (25, 319903), (95, 84185), (113, 70775), (149, 53675), (475, 16837), (565, 14155), (745, 10735), (2147, 3725), (2825, 2831)]