The factors of the number 131,235,312 are: 1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 43, 48, 52, 67, 73, 78, 86, 104, 129, 134, 146, 156, 172, 201, 208, 219, 258, 268, 292, 312, 344, 402, 438, 516, 536, 559, 584, 624, 688, 804, 871, 876, 949, 1032, 1072, 1118, 1168, 1608, 1677, 1742, 1752, 1898, 2064, 2236, 2613, 2847, 2881, 3139, 3216, 3354, 3484, 3504, 3796, 4472, 4891, 5226, 5694, 5762, 6278, 6708, 6968, 7592, 8643, 8944, 9417, 9782, 10452, 11388, 11524, 12556, 13416, 13936, 14673, 15184, 17286, 18834, 19564, 20904, 22776, 23048, 25112, 26832, 29346, 34572, 37453, 37668, 39128, 40807, 41808, 45552, 46096, 50224, 58692, 63583, 69144, 74906, 75336, 78256, 81614, 112359, 117384, 122421, 127166, 138288, 149812, 150672, 163228, 190749, 210313, 224718, 234768, 244842, 254332, 299624, 326456, 381498, 420626, 449436, 489684, 508664, 599248, 630939, 652912, 762996, 841252, 898872, 979368, 1017328, 1261878, 1525992, 1682504, 1797744, 1958736, 2523756, 2734069, 3051984, 3365008, 5047512, 5468138, 8202207, 10095024, 10936276, 16404414, 21872552, 32808828, 43745104, 65617656, 131235312.
If you add them up, you will get the total of 384,364,288.