# Computed 2018-03-07 in GP/PARI CALCULATOR Version 2.9.4 (released) amd64 running mingw (x86-64/GMP-6.1.2 kernel) 64-bit version, compiled: Dec 20 2017, gcc version 4.9.1 (GCC), threading engine: single # with the following PARI-program: # # A238952(n) = sumdiv(n, d, (d