28380385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2593}}^1$

素因数の和:2808

約数の個数: 16

約数和(自身を含む): 37353600

約数和(自身を除く): 8973215

約数列:

[1, 5, 11, 55, 199, 995, 2189, 2593, 10945, 12965, 28523, 142615, 516007, 2580035, 5676077, 28380385]

約数ペア:

[(1, 28380385), (5, 5676077), (11, 2580035), (55, 516007), (199, 142615), (995, 28523), (2189, 12965), (2593, 10945)]