What is the sum of all the factors of 1008?
1008的所有因数之和是多少．
<gadget id="calculator">1 + 1_008 + 2 + 504 + 3 + 336 + 4 + 252 + 6 + 168 + 7 + 144 + 8 + 126 + 9 + 112 + 12 + 84 + 14 + 72 + 16 + 63 + 18 + 56 + 21 + 48 + 24 + 42 + 28 + 36</gadget>
<output>3_224</output>

<result>3_224</result>