38744

Appears in sequences

• A129957(n) - n*(n-1)/2.at n=34A129959
• Numbers k such that if x = sigma(k) + tau(k) - k then k = sigma(x) + tau(x) - x.at n=26A238226
• Greater members of dihedral amicable pairs: numbers (m, k) such that t(m) = t(k) = m + k, where t(k) = sigma(k) + d(k).at n=8A322254