Perfect numbers: Difference between revisions

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+</pre>
+=={{header|Sidef}}==
+<lang ruby>func is_perfect(n) {
+    var sum = 0;
+    range(1, n-1).each { |i|
+        i.divides(n) && (sum += i);
+    };
+    sum == n;
+}
+range(1, 1000).each { |i|
+    is_perfect(i) && say i;
+}</lang>
+{{out}}
+<pre>
 </pre>