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Erdős problem 448

Let τ(n)\tau(n) count the divisors of nn and τ+(n)\tau^+(n) count the number of kk such that nn has a divisor in [2k,2k+1)[2^k, 2^{k+1}). Is it true that, for all ϵ>0\epsilon > 0, τ+(n)<ϵτ(n) \tau^+(n) < \epsilon \cdot \tau(n) for almost all nn?
Retained from Formal Conjectures · not edited here
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5 solved · 3 test
Erdős Problems says
disproved
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Accepted in Vela Mathematics Program

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