208997375

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{23549}}^1$

素因数の和:23635

約数の個数: 16

約数和(自身を含む): 264513600

約数和(自身を除く): 55516225

約数列:

[1, 5, 25, 71, 125, 355, 1775, 8875, 23549, 117745, 588725, 1671979, 2943625, 8359895, 41799475, 208997375]

約数ペア:

[(1, 208997375), (5, 41799475), (25, 8359895), (71, 2943625), (125, 1671979), (355, 588725), (1775, 117745), (8875, 23549)]