Density conjecture for weak primary pseudoperfect numbers
Let and be weak primary pseudoperfect numbers. Let denote the set of positive integers associated with in the paper, and let be its least element when is non-empty; write for its asymptotic density.
Density conjecture. If and are non-empty and , then
The prediction is motivated by the computed examples in the paper, but the source does not establish it. Its general validity remains open.
References
Primary source
José María Grau, Antonio M. Oller-Marcén and Jonathan Sondow, “On the congruence 1^m + 2^m + + m^m n m with n | m”, arXiv:1309.7941 (2014).
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