The factors of the number 243,424,656 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 47, 48, 54, 57, 72, 76, 94, 108, 114, 141, 144, 152, 171, 188, 216, 228, 282, 304, 342, 376, 423, 432, 456, 513, 564, 631, 684, 752, 846, 893, 912, 1026, 1128, 1262, 1269, 1368, 1692, 1786, 1893, 2052, 2256, 2524, 2538, 2679, 2736, 3384, 3572, 3786, 4104, 5048, 5076, 5358, 5679, 6768, 7144, 7572, 8037, 8208, 10096, 10152, 10716, 11358, 11989, 14288, 15144, 16074, 17037, 20304, 21432, 22716, 23978, 24111, 29657, 30288, 32148, 34074, 35967, 42864, 45432, 47956, 48222, 59314, 64296, 68148, 71934, 88971, 90864, 95912, 96444, 107901, 118628, 128592, 136296, 143868, 177942, 191824, 192888, 215802, 237256, 266913, 272592, 287736, 323703, 355884, 385776, 431604, 474512, 533826, 563483, 575472, 647406, 711768, 800739, 863208, 1067652, 1126966, 1294812, 1423536, 1601478, 1690449, 1726416, 2135304, 2253932, 2589624, 3202956, 3380898, 4270608, 4507864, 5071347, 5179248, 6405912, 6761796, 9015728, 10142694, 12811824, 13523592, 15214041, 20285388, 27047184, 30428082, 40570776, 60856164, 81141552, 121712328, 243424656.
If you add them up, you will get the total of 243,425,164. Now subtract 243,424,656 to get 508,908,144