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<?php function x($n){for($i=1;$i<=$n;$i++){$n%$i==0&&$i!=$n?$f[]=$i&printf("$i "):0;}echo "$n " . array_sum($f) . " "; printf(array_sum($f)==$n?'P':'I');}x(28);
Output for 4.3.7 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1 2 4 7 14 28 6 I
Output for 4.3.0 - 4.3.6
1 2 4 7 14 28 0 I
preferences:
245 ms | 401 KiB | 357 Q