# This b-file was computed by Antti Karttunen, 2023-01-17 # 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: # # A001414(n) = ((n=factor(n))[, 1]~*n[, 2]); \\ From A001414. # memoA359789 = Map(); # A359789(n) = if(1==n,1,my(v); if(mapisdefined(memoA359789,n,&v), v, v = -sumdiv(n,d,if(d