28017486565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{20551}}^1$

素因数の和:20989

約数の個数: 32

約数和(自身を含む): 36526000896

約数和(自身を除く): 8508514331

約数列:

[1, 5, 17, 43, 85, 215, 373, 731, 1865, 3655, 6341, 16039, 20551, 31705, 80195, 102755, 272663, 349367, 883693, 1363315, 1746835, 4418465, 7665523, 15022781, 38327615, 75113905, 130313891, 329617489, 651569455, 1648087445, 5603497313, 28017486565]

約数ペア:

[(1, 28017486565), (5, 5603497313), (17, 1648087445), (43, 651569455), (85, 329617489), (215, 130313891), (373, 75113905), (731, 38327615), (1865, 15022781), (3655, 7665523), (6341, 4418465), (16039, 1746835), (20551, 1363315), (31705, 883693), (80195, 349367), (102755, 272663)]