13121278

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:879

約数の個数: 16

約数和(自身を含む): 20249856

約数和(自身を除く): 7128578

約数列:

[1, 2, 43, 86, 271, 542, 563, 1126, 11653, 23306, 24209, 48418, 152573, 305146, 6560639, 13121278]

約数ペア:

[(1, 13121278), (2, 6560639), (43, 305146), (86, 152573), (271, 48418), (542, 24209), (563, 23306), (1126, 11653)]