208595855

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{10733}}^1$

素因数の和:10787

約数の個数: 24

約数和(自身を含む): 282862368

約数和(自身を除く): 74266513

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1495, 3887, 10733, 19435, 53665, 139529, 246859, 697645, 1234295, 1813877, 3209167, 9069385, 16045835, 41719171, 208595855]

約数ペア:

[(1, 208595855), (5, 41719171), (13, 16045835), (23, 9069385), (65, 3209167), (115, 1813877), (169, 1234295), (299, 697645), (845, 246859), (1495, 139529), (3887, 53665), (10733, 19435)]