9961655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2551}}^1$

素因数の和:2638

約数の個数: 16

約数和(自身を含む): 13229568

約数和(自身を除く): 3267913

約数列:

[1, 5, 11, 55, 71, 355, 781, 2551, 3905, 12755, 28061, 140305, 181121, 905605, 1992331, 9961655]

約数ペア:

[(1, 9961655), (5, 1992331), (11, 905605), (55, 181121), (71, 140305), (355, 28061), (781, 12755), (2551, 3905)]