68389025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{66721}}^1$

素因数の和:66772

約数の個数: 12

約数和(自身を含む): 86872044

約数和(自身を除く): 18483019

約数列:

[1, 5, 25, 41, 205, 1025, 66721, 333605, 1668025, 2735561, 13677805, 68389025]

約数ペア:

[(1, 68389025), (5, 13677805), (25, 2735561), (41, 1668025), (205, 333605), (1025, 66721)]