28712795

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 35143680

約数和(自身を除く): 6430885

約数列:

[1, 5, 103, 127, 439, 515, 635, 2195, 13081, 45217, 55753, 65405, 226085, 278765, 5742559, 28712795]

約数ペア:

[(1, 28712795), (5, 5742559), (103, 278765), (127, 226085), (439, 65405), (515, 55753), (635, 45217), (2195, 13081)]