81254665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{1123}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 101160000

約数和(自身を除く): 19905335

約数列:

[1, 5, 29, 145, 499, 1123, 2495, 5615, 14471, 32567, 72355, 162835, 560377, 2801885, 16250933, 81254665]

約数ペア:

[(1, 81254665), (5, 16250933), (29, 2801885), (145, 560377), (499, 162835), (1123, 72355), (2495, 32567), (5615, 14471)]