549746900992domain: NAppears in sequencesNumbers n whose abundance is 16.at n=27A141547Numbers m with divisor 16 | m and abundance sigma(m)-2*m = 16.at n=11A181599Numbers of the form 2^(t-1)*(2^t-17), where 2^t-17 is prime.at n=5A181706Numbers k such that sigma(k) == 0 (mod k+8).at n=32A274561