22276800
domain: N
Appears in sequences
- Infinitary perfect numbers.at n=5A007357
- Infinitary multi-perfect numbers.at n=8A007358
- Numbers m such that A049417(A049417(m)) = k*m for some k where A049417 is the infinitary sigma function.at n=36A318182
- Tri-unitary perfect numbers: numbers k such that tsigma(k) = 2k, where tsigma(k) is the sum of the tri-unitary divisors of k (A324706).at n=6A324707