7128875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 9906624

約数和(自身を除く): 2777749

約数列:

[1, 5, 13, 25, 41, 65, 107, 125, 205, 325, 533, 535, 1025, 1391, 1625, 2665, 2675, 4387, 5125, 6955, 13325, 13375, 21935, 34775, 57031, 66625, 109675, 173875, 285155, 548375, 1425775, 7128875]

約数ペア:

[(1, 7128875), (5, 1425775), (13, 548375), (25, 285155), (41, 173875), (65, 109675), (107, 66625), (125, 57031), (205, 34775), (325, 21935), (533, 13375), (535, 13325), (1025, 6955), (1391, 5125), (1625, 4387), (2665, 2675)]