# This b-file was computed by Antti Karttunen, 2022-06-09 # 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: # # A328572(n) = { my(m=1, p=2); while(n, if(n%p, m *= p^((n%p)-1)); n = n\p; p = nextprime(1+p)); (m); }; # A351084(n) = gcd(n, A328572(n)); # memoA354824 = Map(); # A354824(n) = if(1==n,1,my(v); if(mapisdefined(memoA354824,n,&v), v, v = -sumdiv(n,d,if(d