Timeline for What are the connections between pi and prime numbers?
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| when toggle format | what | by | license | comment | |
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| Sep 12, 2021 at 9:55 | history | made wiki | Post Made Community Wiki by Stefan Kohl♦ | ||
| Oct 18, 2012 at 9:44 | comment | added | mathreader | By the way, do you happen to know what constant appears if we change $\sigma(n)$ into the sum $\sigma'$ of all Gaussian integer divisors of n with positive real parts? I.e. this sequence: oeis.org/A078930 Computations show that $\sum_1^n\sigma'(i)\approx Cn^2$, where C=1.7972... | |
| Mar 4, 2010 at 2:02 | history | answered | Gerry Myerson | CC BY-SA 2.5 |