13174976

Appears in sequences

• Numbers k such that sigma(k) == 8 (mod k).at n=17A045770
• Numbers k such that sigma(k) = 2k + Omega(k), where Omega(n) is the number of prime divisors of n (with repetition).at n=5A063788
• Numbers k with abundance radius of 8, i.e., abs(sigma(k)-2*k) = 8.at n=26A088820
• Numbers k whose abundance is 8: sigma(k) - 2*k = 8.at n=13A088833
• Admirable numbers whose abundance is < 10.at n=34A109788
• Numbers m with divisor 8 | m and abundance sigma(m)-2*m = 8.at n=8A181598
• Numbers k such that sigma(k) == 0 (mod k+4).at n=17A274553