28000165

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 34503408

約数和(自身を除く): 6503243

約数列:

[1, 5, 53, 157, 265, 673, 785, 3365, 8321, 35669, 41605, 105661, 178345, 528305, 5600033, 28000165]

約数ペア:

[(1, 28000165), (5, 5600033), (53, 528305), (157, 178345), (265, 105661), (673, 41605), (785, 35669), (3365, 8321)]