9985085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2644

約数の個数: 16

約数和(自身を含む): 13260672

約数和(自身を除く): 3275587

約数列:

[1, 5, 11, 55, 71, 355, 781, 2557, 3905, 12785, 28127, 140635, 181547, 907735, 1997017, 9985085]

約数ペア:

[(1, 9985085), (5, 1997017), (11, 907735), (55, 181547), (71, 140635), (355, 28127), (781, 12785), (2557, 3905)]