The square-root abundancy conjecture for spoof odd perfect numbers

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Let n=km>1n=km>1 be a spoof odd perfect number. If gcd⁡(m,k)=1\gcd(m,k)=1, then k\sqrt{k} is an integer and the sum-of-divisors function σ\sigma is evaluated at this factor. Square-root abundancy conjecture. The inequality

σ(k)<m\sigma(\sqrt{k})<m

holds. The claim is consistent with the numerical values in Descartes' example, where σ(k)=5376<22021=m\sigma(\sqrt{k})=5376<22021=m. The source does not establish it in general.

References

Primary source

Jose Arnaldo B. Dris, “The Non-Euler Part of a Spoof Odd Perfect Number is Not Almost Perfect”, arXiv:1503.03860 (2017).

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