25961221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 30941568

約数和(自身を除く): 4980347

約数列:

[1, 11, 13, 71, 143, 781, 923, 2557, 10153, 28127, 33241, 181547, 365651, 1997017, 2360111, 25961221]

約数ペア:

[(1, 25961221), (11, 2360111), (13, 1997017), (71, 365651), (143, 181547), (781, 33241), (923, 28127), (2557, 10153)]