%0 Journal Article
%A Florian Luca
%A Carl Pomerance
%T The range of the sum-of-proper-divisors function
%J Acta Arithmetica
%D 2015
%P 187-199
%V 168
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa168-2-6/
%R 10.4064/aa168-2-6
%G en
%F 10_4064_aa168_2_6