Divisor-transference conjecture for Φ4p(2)\Phi_{4p}(2)

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Let P3\mathcal{P}_3 and S3(≤3)\mathcal{S}_3^{(\leq 3)} be as used in the paper, and define

A(x):=#(S3(≤3)∩[1,x]),A(x):=\#\bigl(\mathcal{S}_3^{(\leq 3)}\cap[1,x]\bigr), Z(p):=#{r∣Φ4p(2):(r−1)/(4p)∈S3(≤3)}.Z(p):=\#\Bigl\{r\mid\Phi_{4p}(2):(r-1)/(4p)\in\mathcal{S}_3^{(\leq 3)}\Bigr\}.

Here Φ4p(2)\Phi_{4p}(2) is the value of the cyclotomic polynomial Φ4p\Phi_{4p} at 22. Divisor-transference conjecture. There exists C>0C>0 such that for every sufficiently large p∈P3p\in\mathcal{P}_3,

Z(p)≤C⋅A(22p/(4p))p.Z(p)\leq C\cdot\frac{A(2^{2p}/(4p))}{p}.

This is a divisor-level sufficient criterion aimed at controlling admissible prime divisors of the fixed cyclotomic value Φ4p(2)\Phi_{4p}(2), rather than counting primes by density. It remains open.

References

Primary source

Tom Maciejewski, “Bounded-box reductions in the Subbarao-Warren problem for unitary perfect numbers”, arXiv:2605.20475 (2026).

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