12981356

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1063}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 23595264

約数和(自身を除く): 10613908

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 1063, 2126, 3053, 4252, 6106, 12212, 45709, 75473, 91418, 150946, 182836, 301892, 3245339, 6490678, 12981356]

約数ペア:

[(1, 12981356), (2, 6490678), (4, 3245339), (43, 301892), (71, 182836), (86, 150946), (142, 91418), (172, 75473), (284, 45709), (1063, 12212), (2126, 6106), (3053, 4252)]