28705375

素因数分解:

$5^3\times {\mathrm{131}}^1\times {\mathrm{1753}}^1$

素因数の和:1899

約数の個数: 16

約数和(自身を含む): 36118368

約数和(自身を除く): 7412993

約数列:

[1, 5, 25, 125, 131, 655, 1753, 3275, 8765, 16375, 43825, 219125, 229643, 1148215, 5741075, 28705375]

約数ペア:

[(1, 28705375), (5, 5741075), (25, 1148215), (125, 229643), (131, 219125), (655, 43825), (1753, 16375), (3275, 8765)]