134438912

Appears in sequences

• Numbers k that divide sigma(k) + d(k), where d(k) is the number of divisors of k and sigma(k) is their sum.at n=19A056076
• Numbers k such that sigma(k) + tau(k) = 2k.at n=16A083874
• Numbers of the form 2^n*(2^(n+1)+2n+1) where 2^(n+1)+2n+1 is prime.at n=7A105331
• Numbers n such that (A000203(n)+28)/n is an integer.at n=30A162302
• Numbers a(n) = 2^(n-1) * f(n), where n >= 1 and f(n) is the smallest prime number larger than 2^n (A014210).at n=13A246956
• Numbers m with deficiency 28: sigma(m) - 2*m = -28.at n=14A392382