64280489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9949}}^1$

素因数の和:10040

約数の個数: 16

約数和(自身を含む): 80236800

約数和(自身を除く): 15956311

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 9949, 69643, 129337, 706379, 905359, 4944653, 9182927, 64280489]

約数ペア:

[(1, 64280489), (7, 9182927), (13, 4944653), (71, 905359), (91, 706379), (497, 129337), (923, 69643), (6461, 9949)]