201705905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{19961}}^1$

素因数の和:20056

約数の個数: 16

約数和(自身を含む): 252958464

約数和(自身を除く): 51252559

約数列:

[1, 5, 43, 47, 215, 235, 2021, 10105, 19961, 99805, 858323, 938167, 4291615, 4690835, 40341181, 201705905]

約数ペア:

[(1, 201705905), (5, 40341181), (43, 4690835), (47, 4291615), (215, 938167), (235, 858323), (2021, 99805), (10105, 19961)]