28668167

素因数分解:

${\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:211

約数の個数: 18

約数和(自身を含む): 32641392

約数和(自身を除く): 3973225

約数列:

[1, 11, 47, 71, 121, 517, 781, 3337, 5041, 5687, 8591, 36707, 55451, 236927, 403777, 609961, 2606197, 28668167]

約数ペア:

[(1, 28668167), (11, 2606197), (47, 609961), (71, 403777), (121, 236927), (517, 55451), (781, 36707), (3337, 8591), (5041, 5687)]