28895825

素因数分解:

$5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 41241408

約数和(自身を除く): 12345583

約数列:

[1, 5, 7, 25, 35, 163, 175, 815, 1013, 1141, 4075, 5065, 5705, 7091, 25325, 28525, 35455, 165119, 177275, 825595, 1155833, 4127975, 5779165, 28895825]

約数ペア:

[(1, 28895825), (5, 5779165), (7, 4127975), (25, 1155833), (35, 825595), (163, 177275), (175, 165119), (815, 35455), (1013, 28525), (1141, 25325), (4075, 7091), (5065, 5705)]