12756874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1171}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 20674080

約数和(自身を除く): 7917206

約数列:

[1, 2, 13, 26, 419, 838, 1171, 2342, 5447, 10894, 15223, 30446, 490649, 981298, 6378437, 12756874]

約数ペア:

[(1, 12756874), (2, 6378437), (13, 981298), (26, 490649), (419, 30446), (838, 15223), (1171, 10894), (2342, 5447)]