Answer
784 is not perfect because:
1 + 2 + 4 + 7 + 8 + 14 + 16 + 28 + 49 + 56 + 98 + 112 + 196 + 392 ≠ 784
Related links:
Answer
784 is not perfect because:
1 + 2 + 4 + 7 + 8 + 14 + 16 + 28 + 49 + 56 + 98 + 112 + 196 + 392 ≠ 784