66213355

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 86856192

約数和(自身を除く): 20642837

約数列:

[1, 5, 13, 65, 127, 169, 617, 635, 845, 1651, 3085, 8021, 8255, 21463, 40105, 78359, 104273, 107315, 391795, 521365, 1018667, 5093335, 13242671, 66213355]

約数ペア:

[(1, 66213355), (5, 13242671), (13, 5093335), (65, 1018667), (127, 521365), (169, 391795), (617, 107315), (635, 104273), (845, 78359), (1651, 40105), (3085, 21463), (8021, 8255)]