12215021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 15120000

約数和(自身を除く): 2904979

約数列:

[1, 7, 13, 91, 269, 499, 1883, 3493, 3497, 6487, 24479, 45409, 134231, 939617, 1745003, 12215021]

約数ペア:

[(1, 12215021), (7, 1745003), (13, 939617), (91, 134231), (269, 45409), (499, 24479), (1883, 6487), (3493, 3497)]