217770025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{791891}}^1$

素因数の和:791912

約数の個数: 12

約数和(自身を含む): 294583824

約数和(自身を除く): 76813799

約数列:

[1, 5, 11, 25, 55, 275, 791891, 3959455, 8710801, 19797275, 43554005, 217770025]

約数ペア:

[(1, 217770025), (5, 43554005), (11, 19797275), (25, 8710801), (55, 3959455), (275, 791891)]