12945317

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:1996

約数の個数: 16

約数和(自身を含む): 16329600

約数和(自身を除く): 3384283

約数列:

[1, 7, 11, 77, 89, 623, 979, 1889, 6853, 13223, 20779, 145453, 168121, 1176847, 1849331, 12945317]

約数ペア:

[(1, 12945317), (7, 1849331), (11, 1176847), (77, 168121), (89, 145453), (623, 20779), (979, 13223), (1889, 6853)]