249518975

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 317130000

約数和(自身を除く): 67611025

約数列:

[1, 5, 25, 61, 131, 305, 655, 1249, 1525, 3275, 6245, 7991, 31225, 39955, 76189, 163619, 199775, 380945, 818095, 1904725, 4090475, 9980759, 49903795, 249518975]

約数ペア:

[(1, 249518975), (5, 49903795), (25, 9980759), (61, 4090475), (131, 1904725), (305, 818095), (655, 380945), (1249, 199775), (1525, 163619), (3275, 76189), (6245, 39955), (7991, 31225)]