28583905

素因数分解:

$5^1\times 7^4\times {\mathrm{2381}}^1$

素因数の和:2414

約数の個数: 20

約数和(自身を含む): 40031892

約数和(自身を除く): 11447987

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2381, 2401, 11905, 12005, 16667, 83335, 116669, 583345, 816683, 4083415, 5716781, 28583905]

約数ペア:

[(1, 28583905), (5, 5716781), (7, 4083415), (35, 816683), (49, 583345), (245, 116669), (343, 83335), (1715, 16667), (2381, 12005), (2401, 11905)]