52779775

素因数分解:

$5^2\times {\mathrm{103}}^2\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 18

約数和(自身を含む): 66420600

約数和(自身を除く): 13640825

約数列:

[1, 5, 25, 103, 199, 515, 995, 2575, 4975, 10609, 20497, 53045, 102485, 265225, 512425, 2111191, 10555955, 52779775]

約数ペア:

[(1, 52779775), (5, 10555955), (25, 2111191), (103, 512425), (199, 265225), (515, 102485), (995, 53045), (2575, 20497), (4975, 10609)]