28136275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 37229760

約数和(自身を除く): 9093485

約数列:

[1, 5, 17, 25, 85, 239, 277, 425, 1195, 1385, 4063, 4709, 5975, 6925, 20315, 23545, 66203, 101575, 117725, 331015, 1125451, 1655075, 5627255, 28136275]

約数ペア:

[(1, 28136275), (5, 5627255), (17, 1655075), (25, 1125451), (85, 331015), (239, 117725), (277, 101575), (425, 66203), (1195, 23545), (1385, 20315), (4063, 6925), (4709, 5975)]