[seqfan] Re: Destinies of sums of proper divisors.

Hans Havermann pxp at rogers.com
Tue Jul 7 02:17:34 CEST 2009


David Wilson:

> I checked the trajectory of 276 for about 80 iterations, and after the
> first few iterations, the power of 2 settled at 2^2 and stayed there
> (and 7 became an omnipresent divisor). Does that pattern continue, or
> does the power of 2 in n start in increase at some point?

http://christophe.clavier.free.fr/Aliquot/site/database1/s0276.txt




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