Numbers m such that A327566(m) = Sum_{k=1..m} isigma(k) is divisible by m, where isigma(k) is the sum of infinitary divisors of k (A049417).

A326488

Numbers m such that A327566(m) = Sum_{k=1..m} isigma(k) is divisible by m, where isigma(k) is the sum of infinitary divisors of k (A049417).

Terms

    a(0) =1a(1) =2a(2) =160a(3) =285a(4) =2340a(5) =2614a(6) =8903a(7) =81231a(8) =171710a(9) =182712a(10) =434887a(11) =2651907a(12) =56517068a(13) =143714354a(14) =922484770a(15) =5162883263a(16) =39421525873

External references