en- is attached to adjectives or nouns to form verbs meaning: 1  to cause (a person or thing) to be in (the place, condition, or state mentioned);  to restrict on all sides, completely:en- + circle â encircle (= to restrict on all sides within a circle).
In mathematics a divisor of an integer n {\displaystyle n} , also called a factor of n {\displaystyle n} , is an integer that can be multiplied by some other integer to produce n {\displaystyle n} .
(pÃ»râ²fÄ­kt) A positive integer that equals the sum of all of its divisors other than itself. An example is 28, whose divisors (not counting itself) are 1, 2, 4, 7, and 14, which added together give 28.