A Survey of Gcd-Sum Functions
Department of Mathematics
University of Pécs
Ifjúság u. 6
We survey properties of the gcd-sum function and of its analogs.
As new results, we establish asymptotic formulae with remainder
terms for the quadratic moment and the reciprocal of the gcd-sum
function and for the function defined by the harmonic mean of the
Full version: pdf,
(Concerned with sequences
Received April 29 2010;
revised version received July 20 2010;
Published in Journal of Integer Sequences, August 2 2010.
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