778528025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{2831011}}^1$

素因数の和:2831032

約数の個数: 12

約数和(自身を含む): 1053136464

約数和(自身を除く): 274608439

約数列:

[1, 5, 11, 25, 55, 275, 2831011, 14155055, 31141121, 70775275, 155705605, 778528025]

約数ペア:

[(1, 778528025), (5, 155705605), (11, 70775275), (25, 31141121), (55, 14155055), (275, 2831011)]