12490205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 18703104

約数和(自身を除く): 6212899

約数列:

[1, 5, 7, 13, 35, 65, 91, 97, 283, 455, 485, 679, 1261, 1415, 1981, 3395, 3679, 6305, 8827, 9905, 18395, 25753, 27451, 44135, 128765, 137255, 192157, 356863, 960785, 1784315, 2498041, 12490205]

約数ペア:

[(1, 12490205), (5, 2498041), (7, 1784315), (13, 960785), (35, 356863), (65, 192157), (91, 137255), (97, 128765), (283, 44135), (455, 27451), (485, 25753), (679, 18395), (1261, 9905), (1415, 8827), (1981, 6305), (3395, 3679)]