Let $ f(x)=2 x^{\mathrm{n}}+\lambda , \lambda \in \mathrm{R}, n \in N $ and $ \mathrm{f}(4)=133 $, $ f(5)=255 $. Then the sum of all positive integer divisors of $ f(3)-f(2) $ is

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Let \( f(x)=2 x^{\mathrm{n}}+\lambda , \lambda \in \mathrm{R}, n \in N \) and \( \mathrm{f}(4)=133 \), \( f(5)=255 \). T…

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