247487947

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{2131}}^1$

素因数の和:2538

約数の個数: 16

約数和(自身を含む): 289815552

約数和(自身を除く): 42327605

約数列:

[1, 7, 47, 329, 353, 2131, 2471, 14917, 16591, 100157, 116137, 701099, 752243, 5265701, 35355421, 247487947]

約数ペア:

[(1, 247487947), (7, 35355421), (47, 5265701), (329, 752243), (353, 701099), (2131, 116137), (2471, 100157), (14917, 16591)]