12999155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{881}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 16892064

約数和(自身を除く): 3892909

約数列:

[1, 5, 13, 65, 227, 881, 1135, 2951, 4405, 11453, 14755, 57265, 199987, 999935, 2599831, 12999155]

約数ペア:

[(1, 12999155), (5, 2599831), (13, 999935), (65, 199987), (227, 57265), (881, 14755), (1135, 11453), (2951, 4405)]