divisor-function

Articles

• Arithmetic numberInteger where the average of its positive divisors is also an integer
• Highly abundant numberNatural number whose divisor sum is greater than that of any smaller number
• Weird numberNumber that is abundant but not semiperfect
• Sublime numberNumber that has a perfect number of factors adding up to another perfect number
• Superabundant numberClass of natural numbers
• Sublime numberNumber that has a perfect number of factors adding up to another perfect number
• Arithmetic numberInteger where the average of its positive divisors is also an integer
• Arithmetic numberInteger where the average of its positive divisors is also an integer
• Sublime numberNumber that has a perfect number of factors adding up to another perfect number
• Primitive abundant numberAbundant number whose proper divisors are all deficient numbers
• Colossally abundant numberType of natural number
• Hyperperfect numberType of natural number
• Sublime numberNumber that has a perfect number of factors adding up to another perfect number
• Arithmetic numberInteger where the average of its positive divisors is also an integer