A351371 - OEIS

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A351371

a(n) = Sum_{p|n, p prime} (p + n/p).

%I #5 Feb 10 2022 22:37:28

%S 0,3,4,4,6,10,8,6,6,14,12,15,14,18,16,10,18,20,20,21,20,26,24,25,10,

%T 30,12,27,30,41,32,18,28,38,24,35,38,42,32,35,42,53,44,39,32,50,48,45,

%U 14,42,40,45,54,50,32,45,44,62,60,72,62,66,40,34,36,77,68,57,52,73,72,65,74

%N a(n) = Sum_{p|n, p prime} (p + n/p).

%e a(6) = 10; a(6) = Sum_{p|6, p prime} (p + 6/p) = (2 + 6/2) + (3 + 6/3) = 10.

%K nonn

%O 1,2

%A _Wesley Ivan Hurt_, Feb 08 2022