73995392

Appears in sequences

• Numbers m whose abundance sigma(m) - 2m = -4. Numbers whose deficiency is 4.at n=12A125246
• Ceiling(n/2)-perfect numbers.at n=38A177050
• Deficient numbers with increasing abundancy without being powers of 2.at n=19A228450
• Numbers k such that k - 2 | sigma(k).at n=15A298563
• Positive numbers n for which A000120(n) = k*A294898(n), with k < 0; numbers for which A326130(n) = sigma(n) - A005187(n).at n=11A326131
• Numbers n for which A294898(n) is not zero and A294898(n) divides A000120(n); numbers for which A326130(n) = abs(A294898(n)).at n=45A326132
• Numbers k such that A005187(k) < sigma(k) <= 2k, where A005187(k) = 2k - {binary weight of k}.at n=13A326138
• Infinitary barely deficient numbers: infinitary deficient numbers whose infinitary abundancy is closer to 2 than that of any smaller infinitary deficient number.at n=26A336252