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Erdős problem 825

Is there an absolute constant C>0C > 0 such that every integer nn with σ(n)>Cn\sigma(n) > Cn is the distinct sum of proper divisors of nn?

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No reviewed Result is current in Vela Mathematics Program. Retained source material is shown below.

Retained declaration

FormalConjectures/ErdosProblems/825.lean

Formal Conjectures

FormalConjectures/ErdosProblems/825.leanErdos825.erdos_8251 lineExact file
True ↔ ∃ C, ∃ (_ : C > 0), ∀ (n : ℕ), ↑((ArithmeticFunction.sigma 1) n) > C * ↑n → ∃ sn.properDivisors, n = s.sum id
SolvedStatement only, no proof

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