28188391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7789}}^1$

素因数の和:7854

約数の個数: 16

約数和(自身を含む): 35896320

約数和(自身を除く): 7707929

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 7789, 54523, 85679, 366083, 599753, 2562581, 4026913, 28188391]

約数ペア:

[(1, 28188391), (7, 4026913), (11, 2562581), (47, 599753), (77, 366083), (329, 85679), (517, 54523), (3619, 7789)]