# Computed 2018-08-27 in GP/PARI CALCULATOR Version 2.9.4 (released) amd64 running linux (x86-64/GMP-6.1.2 kernel) 64-bit version, compiled: Dec 19 2017, gcc version 7.3.0 (Ubuntu 7.3.0-1ubuntu1), threading engine: pthread # with the following program: # # A005187(n) = { my(s=n); while(n>>=1, s+=n); s; }; # A294898(n) = (A005187(n) - sigma(n)); # A318447(n) = sumdiv(n,d,(d