%0 Journal Article
%A Jean-Marie De Koninck
%A Imre Kátai
%T On the $k$-fold iterate of the sum of divisors function
%J Colloquium Mathematicum
%D 2017
%P 247-255
%V 147
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm6880-6-2016/
%R 10.4064/cm6880-6-2016
%G en
%F 10_4064_cm6880_6_2016