249408925

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 314979840

約数和(自身を除く): 65570915

約数列:

[1, 5, 25, 79, 293, 395, 431, 1465, 1975, 2155, 7325, 10775, 23147, 34049, 115735, 126283, 170245, 578675, 631415, 851225, 3157075, 9976357, 49881785, 249408925]

約数ペア:

[(1, 249408925), (5, 49881785), (25, 9976357), (79, 3157075), (293, 851225), (395, 631415), (431, 578675), (1465, 170245), (1975, 126283), (2155, 115735), (7325, 34049), (10775, 23147)]