12712217

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{4253}}^1$

素因数の和:4328

約数の個数: 12

約数和(自身を含む): 15033636

約数和(自身を除く): 2321419

約数列:

[1, 7, 49, 61, 427, 2989, 4253, 29771, 208397, 259433, 1816031, 12712217]

約数ペア:

[(1, 12712217), (7, 1816031), (49, 259433), (61, 208397), (427, 29771), (2989, 4253)]