The factors of the number 503,326,404 are: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 97, 118, 126, 177, 194, 236, 252, 291, 349, 354, 388, 413, 531, 582, 679, 698, 708, 826, 873, 1047, 1062, 1164, 1239, 1358, 1396, 1652, 1746, 2037, 2094, 2124, 2443, 2478, 2716, 3141, 3492, 3717, 4074, 4188, 4886, 4956, 5723, 6111, 6282, 7329, 7434, 8148, 9772, 11446, 12222, 12564, 14658, 14868, 17169, 20591, 21987, 22892, 24444, 29316, 33853, 34338, 40061, 41182, 43974, 51507, 61773, 67706, 68676, 80122, 82364, 87948, 101559, 103014, 120183, 123546, 135412, 144137, 160244, 185319, 203118, 206028, 236971, 240366, 247092, 288274, 304677, 360549, 370638, 406236, 432411, 473942, 480732, 576548, 609354, 710913, 721098, 741276, 864822, 947884, 1218708, 1297233, 1421826, 1442196, 1729644, 1997327, 2132739, 2594466, 2843652, 3994654, 4265478, 5188932, 5991981, 7989308, 8530956, 11983962, 13981289, 17975943, 23967924, 27962578, 35951886, 41943867, 55925156, 71903772, 83887734, 125831601, 167775468, 251663202, 503326404.
If you add them up, you will get the total of 503,327,398. Now subtract 503,326,404 to get 994,897,596