28109279

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{787}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 32679936

約数和(自身を除く): 4570657

約数列:

[1, 11, 17, 187, 191, 787, 2101, 3247, 8657, 13379, 35717, 147169, 150317, 1653487, 2555389, 28109279]

約数ペア:

[(1, 28109279), (11, 2555389), (17, 1653487), (187, 150317), (191, 147169), (787, 35717), (2101, 13379), (3247, 8657)]