28435169

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5557}}^1$

素因数の和:5624

約数の個数: 16

約数和(自身を含む): 35215488

約数和(自身を除く): 6780319

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 5557, 38899, 94469, 238951, 661283, 1672657, 4062167, 28435169]

約数ペア:

[(1, 28435169), (7, 4062167), (17, 1672657), (43, 661283), (119, 238951), (301, 94469), (731, 38899), (5117, 5557)]