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The sum of all positive divisors of 242 except 1 and itself is
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The correct answer is:
156
The number is 242 .
$$
242 \text { - } 2 \times 11 \times 11 \text { (factors) }
$$
The number of positive divisors except 1 and itself is $=2,11,22,121$
Sum of these numbers
$$
=2+11+22+121=156
$$
$$
242 \text { - } 2 \times 11 \times 11 \text { (factors) }
$$
The number of positive divisors except 1 and itself is $=2,11,22,121$
Sum of these numbers
$$
=2+11+22+121=156
$$
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