775105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 1008000

約数和(自身を除く): 232895

約数列:

[1, 5, 19, 41, 95, 199, 205, 779, 995, 3781, 3895, 8159, 18905, 40795, 155021, 775105]

約数ペア:

[(1, 775105), (5, 155021), (19, 40795), (41, 18905), (95, 8159), (199, 3895), (205, 3781), (779, 995)]