28621307

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2819}}^1$

素因数の和:2914

約数の個数: 16

約数和(自身を含む): 34110720

約数和(自身を除く): 5489413

約数列:

[1, 11, 13, 71, 143, 781, 923, 2819, 10153, 31009, 36647, 200149, 403117, 2201639, 2601937, 28621307]

約数ペア:

[(1, 28621307), (11, 2601937), (13, 2201639), (71, 403117), (143, 200149), (781, 36647), (923, 31009), (2819, 10153)]