12908015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 16511040

約数和(自身を除く): 3603025

約数列:

[1, 5, 17, 85, 181, 839, 905, 3077, 4195, 14263, 15385, 71315, 151859, 759295, 2581603, 12908015]

約数ペア:

[(1, 12908015), (5, 2581603), (17, 759295), (85, 151859), (181, 71315), (839, 15385), (905, 14263), (3077, 4195)]