25220438

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:751

約数の個数: 16

約数和(自身を含む): 38359440

約数和(自身を除く): 13139002

約数列:

[1, 2, 139, 257, 278, 353, 514, 706, 35723, 49067, 71446, 90721, 98134, 181442, 12610219, 25220438]

約数ペア:

[(1, 25220438), (2, 12610219), (139, 181442), (257, 98134), (278, 90721), (353, 71446), (514, 49067), (706, 35723)]