81708695

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{1889}}^1$

素因数の和:2146

約数の個数: 16

約数和(自身を含む): 100971360

約数和(自身を除く): 19262665

約数列:

[1, 5, 41, 205, 211, 1055, 1889, 8651, 9445, 43255, 77449, 387245, 398579, 1992895, 16341739, 81708695]

約数ペア:

[(1, 81708695), (5, 16341739), (41, 1992895), (205, 398579), (211, 387245), (1055, 77449), (1889, 43255), (8651, 9445)]