12996685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2531}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 17015040

約数和(自身を除く): 4018355

約数列:

[1, 5, 13, 65, 79, 395, 1027, 2531, 5135, 12655, 32903, 164515, 199949, 999745, 2599337, 12996685]

約数ペア:

[(1, 12996685), (5, 2599337), (13, 999745), (65, 199949), (79, 164515), (395, 32903), (1027, 12655), (2531, 5135)]