2078985025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{6396877}}^1$

素因数の和:6396900

約数の個数: 12

約数和(自身を含む): 2776245052

約数和(自身を除く): 697260027

約数列:

[1, 5, 13, 25, 65, 325, 6396877, 31984385, 83159401, 159921925, 415797005, 2078985025]

約数ペア:

[(1, 2078985025), (5, 415797005), (13, 159921925), (25, 83159401), (65, 31984385), (325, 6396877)]