56191499

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19919}}^1$

素因数の和:19970

約数の個数: 16

約数和(自身を含む): 71393280

約数和(自身を除く): 15201781

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 19919, 139433, 258947, 617489, 1812629, 4322423, 8027357, 56191499]

約数ペア:

[(1, 56191499), (7, 8027357), (13, 4322423), (31, 1812629), (91, 617489), (217, 258947), (403, 139433), (2821, 19919)]