81196165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{2269}}^1$

素因数の和:2712

約数の個数: 16

約数和(自身を含む): 103457520

約数和(自身を除く): 22261355

約数列:

[1, 5, 17, 85, 421, 2105, 2269, 7157, 11345, 35785, 38573, 192865, 955249, 4776245, 16239233, 81196165]

約数ペア:

[(1, 81196165), (5, 16239233), (17, 4776245), (85, 955249), (421, 192865), (2105, 38573), (2269, 35785), (7157, 11345)]