Definition:Quasiperfect Number

Definition
Let $n \in \Z_{\ge 0}$ be a positive integer.

Also known as
Some sources use the terms:


 * Quasi-perfect
 * Slightly excessive

Also see

 * Equivalence of Definitions of Quasiperfect Number


 * Definition:Perfect Number
 * Definition:Almost Perfect Number


 * Definition:Deficient Number
 * Definition:Abundant Number


 * Definition:Abundance
 * Definition:Abundancy Index


 * Do Quasiperfect Numbers Exist?