549754241024
domain: N
Appears in sequences
- Numbers k such that sigma(k) == 2 (mod k).at n=10A045768
- Numbers k whose abundance is 2: sigma(k) - 2k = 2.at n=9A088831
- Numbers of the form 2^(t-1)*(2^t-3), where 2^t-3 is prime.at n=8A181703
- Numbers k such that bsigma(k) = 2k + 2, where bsigma(k) is the sum of bi-unitary divisors of k (A188999).at n=12A322162