1639276045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{419789}}^1$

素因数の和:419876

約数の個数: 16

約数和(自身を含む): 2176191360

約数和(自身を除く): 536915315

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 419789, 2098945, 4617679, 23088395, 29805019, 149025095, 327855209, 1639276045]

約数ペア:

[(1, 1639276045), (5, 327855209), (11, 149025095), (55, 29805019), (71, 23088395), (355, 4617679), (781, 2098945), (3905, 419789)]