33665024domain: NAppears in sequencesNumbers n such that (A000203(n)+28)/n is an integer.at n=26A162302Numbers k such that the sum of the divisors of k (except for 1 and k) plus the sum of the digits of k is equal to k.at n=14A331037Numbers m with deficiency 28: sigma(m) - 2*m = -28.at n=12A392382