1890282745

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{769}}^1\times {\mathrm{2909}}^1$

素因数の和:3709

約数の個数: 24

約数和(自身を含む): 2460288600

約数和(自身を除く): 570005855

約数列:

[1, 5, 13, 65, 169, 769, 845, 2909, 3845, 9997, 14545, 37817, 49985, 129961, 189085, 491621, 649805, 2237021, 2458105, 11185105, 29081273, 145406365, 378056549, 1890282745]

約数ペア:

[(1, 1890282745), (5, 378056549), (13, 145406365), (65, 29081273), (169, 11185105), (769, 2458105), (845, 2237021), (2909, 649805), (3845, 491621), (9997, 189085), (14545, 129961), (37817, 49985)]