Geodesic
On the gcd-sum function
Journal of integer sequences, Tome 11 (2008) no. 2
In this paper we give a unified asymptotic formula for the partial gcd-sum function. We also study the mean-square of the error in the asymptotic formula.
Classification : 11N37, 11M06
Keywords: gcd-sum function, Dirichlet divisor problem, mean square estimate 
@article{JIS_2008__11_2_a5,
     author = {Tanigawa,  Yoshio and Zhai,  Wenguang},
     title = {On the gcd-sum function},
     journal = {Journal of integer sequences},
     year = {2008},
     volume = {11},
     number = {2},
     zbl = {1247.11124},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2008__11_2_a5/}
}
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Tanigawa,  Yoshio; Zhai,  Wenguang. On the gcd-sum function. Journal of integer sequences, Tome 11 (2008) no. 2. http://geodesic.mathdoc.fr/item/JIS_2008__11_2_a5/