81668815

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{607}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 99809280

約数和(自身を除く): 18140465

約数列:

[1, 5, 71, 355, 379, 607, 1895, 3035, 26909, 43097, 134545, 215485, 230053, 1150265, 16333763, 81668815]

約数ペア:

[(1, 81668815), (5, 16333763), (71, 1150265), (355, 230053), (379, 215485), (607, 134545), (1895, 43097), (3035, 26909)]