16410735

Appears in sequences

• Terms of A222263 such that 2n/sigma(n) - 1 = 1/2^k, for some integer k.at n=15A230166
• Numbers k for which A353749(k) is a multiple of A353749(sigma(k)), where A353749(k) = phi(k) * A064989(k), and A064989 shifts the prime factorization one step towards lower primes.at n=13A353765