In mathematics, a perfect number refers to a number where the sum of its divisors, excluding the number itself, equals the number.
在数学中，完全数是指除自身外的约数之和等于该数的整数。
在數學中，完全數是指除自身之外的約數之和等於該數本身的數。
수학에서 완전수는 그 수 자신을 제외한 약수들의 합이 그 수와 같은 수를 가리킵니다.
Trong toán học, số hoàn hảo là số có tổng các ước số (không tính chính nó) bằng chính nó.
Sa matematika, ang perpektong bilang ay isang bilang kung saan ang kabuuan ng mga salik nito maliban ang sarili ay katumbas ng bilang na iyon.
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In mathematics, a perfect number refers to a number where the sum of its divisors, excluding the number itself, equals the number.
In mathematics, a perfect number refers to a number where the sum of its divisors, excluding the number itself, equals the number.
数学では、完全数はその数自身を除く約数の和が自身と等しい数を指します。
Related words
完全数
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