8427445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 10951920

約数和(自身を除く): 2524475

約数列:

[1, 5, 13, 65, 317, 409, 1585, 2045, 4121, 5317, 20605, 26585, 129653, 648265, 1685489, 8427445]

約数ペア:

[(1, 8427445), (5, 1685489), (13, 648265), (65, 129653), (317, 26585), (409, 20605), (1585, 5317), (2045, 4121)]