28078190225

素因数分解:

$5^2\times {\mathrm{709}}^1\times {\mathrm{1584101}}^1$

素因数の和:1584820

約数の個数: 12

約数和(自身を含む): 34866085020

約数和(自身を除く): 6787894795

約数列:

[1, 5, 25, 709, 3545, 17725, 1584101, 7920505, 39602525, 1123127609, 5615638045, 28078190225]

約数ペア:

[(1, 28078190225), (5, 5615638045), (25, 1123127609), (709, 39602525), (3545, 7920505), (17725, 1584101)]