1990993825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1942433}}^1$

素因数の和:1942484

約数の個数: 12

約数和(自身を含む): 2529049068

約数和(自身を除く): 538055243

約数列:

[1, 5, 25, 41, 205, 1025, 1942433, 9712165, 48560825, 79639753, 398198765, 1990993825]

約数ペア:

[(1, 1990993825), (5, 398198765), (25, 79639753), (41, 48560825), (205, 9712165), (1025, 1942433)]