28189356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{180701}}^1$

素因数の和:180721

約数の個数: 24

約数和(自身を含む): 70835184

約数和(自身を除く): 42645828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 180701, 361402, 542103, 722804, 1084206, 2168412, 2349113, 4698226, 7047339, 9396452, 14094678, 28189356]

約数ペア:

[(1, 28189356), (2, 14094678), (3, 9396452), (4, 7047339), (6, 4698226), (12, 2349113), (13, 2168412), (26, 1084206), (39, 722804), (52, 542103), (78, 361402), (156, 180701)]