28305985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5237}}^1$

素因数の和:5312

約数の個数: 16

約数和(自身を含む): 36205056

約数和(自身を除く): 7899071

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5237, 5405, 26185, 120451, 246139, 602255, 1230695, 5661197, 28305985]

約数ペア:

[(1, 28305985), (5, 5661197), (23, 1230695), (47, 602255), (115, 246139), (235, 120451), (1081, 26185), (5237, 5405)]