311085025

素因数分解:

$5^2\times {\mathrm{431}}^1\times {\mathrm{28871}}^1$

素因数の和:29312

約数の個数: 12

約数和(自身を含む): 386653824

約数和(自身を除く): 75568799

約数列:

[1, 5, 25, 431, 2155, 10775, 28871, 144355, 721775, 12443401, 62217005, 311085025]

約数ペア:

[(1, 311085025), (5, 62217005), (25, 12443401), (431, 721775), (2155, 144355), (10775, 28871)]