42137225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 56584920

約数和(自身を除く): 14447695

約数列:

[1, 5, 13, 25, 65, 317, 325, 409, 1585, 2045, 4121, 5317, 7925, 10225, 20605, 26585, 103025, 129653, 132925, 648265, 1685489, 3241325, 8427445, 42137225]

約数ペア:

[(1, 42137225), (5, 8427445), (13, 3241325), (25, 1685489), (65, 648265), (317, 132925), (325, 129653), (409, 103025), (1585, 26585), (2045, 20605), (4121, 10225), (5317, 7925)]