The factors of the number 324,251,136 are: 1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 256, 264, 288, 352, 384, 396, 512, 528, 576, 704, 768, 792, 1056, 1152, 1408, 1536, 1584, 2112, 2304, 2816, 3168, 4224, 4608, 5632, 6336, 6397, 8448, 12672, 12794, 16896, 19191, 25344, 25588, 38382, 50688, 51176, 57573, 70367, 76764, 102352, 115146, 140734, 153528, 204704, 211101, 230292, 281468, 307056, 409408, 422202, 460584, 562936, 614112, 633303, 818816, 844404, 921168, 1125872, 1228224, 1266606, 1637632, 1688808, 1842336, 2251744, 2456448, 2533212, 3275264, 3377616, 3684672, 4503488, 4912896, 5066424, 6755232, 7369344, 9006976, 9825792, 10132848, 13510464, 14738688, 18013952, 20265696, 27020928, 29477376, 36027904, 40531392, 54041856, 81062784, 108083712, 162125568, 324251136.
If you add them up, you will get the total of 1,021,044,024.