2017794775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{9461}}^1$

素因数の和:9939

約数の個数: 24

約数和(自身を含む): 2639898000

約数和(自身を除く): 622103225

約数列:

[1, 5, 19, 25, 95, 449, 475, 2245, 8531, 9461, 11225, 42655, 47305, 179759, 213275, 236525, 898795, 4247989, 4493975, 21239945, 80711791, 106199725, 403558955, 2017794775]

約数ペア:

[(1, 2017794775), (5, 403558955), (19, 106199725), (25, 80711791), (95, 21239945), (449, 4493975), (475, 4247989), (2245, 898795), (8531, 236525), (9461, 213275), (11225, 179759), (42655, 47305)]