Equality of average-order constants for lucky omega functions

The lucky divisibility functions are defined by

ω(n):=ln1,Ω(n):=lnνl(n),\overset{*}{\omega}(n):=\sum_{l\overset{*}{|}n}1,\qquad \overset{*}{\Omega}(n):=\sum_{l\overset{*}{|}n}\overset{*}{\nu}_l(n),

where ω(n)\overset{*}{\omega}(n) counts distinct lucky divisors and Ω(n)\overset{*}{\Omega}(n) counts them with their lucky order. Lucky omega constants conjecture. There exist constants A,BRA,B\in\mathbb{R} such that

nxω(n)Axloglogx,\sum_{n\leq x}\overset{*}{\omega}(n)\sim Ax\log\log x, nxΩ(n)Bxloglogx,\sum_{n\leq x}\overset{*}{\Omega}(n)\sim Bx\log\log x,

and, if these asymptotics hold, A=BA=B. This asks whether the two lucky analogues of the classical prime omega functions have the same average-order constant; the source presents it as a question and gives no resolution.

Sources & referencesView supporting material

Primary source

Marthinus Michael Dreeckmeier, “On the Fundamental Arithmetical Structure and Distribution of Lucky Numbers”, arXiv:2511.11657 (2025).

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