28001456

素因数分解:

$2^4\times 7^1\times {\mathrm{250013}}^1$

素因数の和:250028

約数の個数: 20

約数和(自身を含む): 62003472

約数和(自身を除く): 34002016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 250013, 500026, 1000052, 1750091, 2000104, 3500182, 4000208, 7000364, 14000728, 28001456]

約数ペア:

[(1, 28001456), (2, 14000728), (4, 7000364), (7, 4000208), (8, 3500182), (14, 2000104), (16, 1750091), (28, 1000052), (56, 500026), (112, 250013)]