81668435

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{1571}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 101073312

約数和(自身を除く): 19404877

約数列:

[1, 5, 37, 185, 281, 1405, 1571, 7855, 10397, 51985, 58127, 290635, 441451, 2207255, 16333687, 81668435]

約数ペア:

[(1, 81668435), (5, 16333687), (37, 2207255), (185, 441451), (281, 290635), (1405, 58127), (1571, 51985), (7855, 10397)]