The factors of the number 51,535,638 are: 1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 57, 63, 66, 77, 99, 103, 114, 126, 133, 154, 171, 198, 206, 209, 231, 266, 309, 342, 361, 399, 418, 462, 618, 627, 693, 721, 722, 798, 927, 1083, 1133, 1197, 1254, 1386, 1442, 1463, 1854, 1881, 1957, 2163, 2166, 2266, 2394, 2527, 2926, 3249, 3399, 3762, 3914, 3971, 4326, 4389, 5054, 5871, 6489, 6498, 6798, 7581, 7931, 7942, 8778, 10197, 11742, 11913, 12978, 13167, 13699, 15162, 15862, 17613, 20394, 21527, 22743, 23793, 23826, 26334, 27398, 27797, 35226, 35739, 37183, 41097, 43054, 45486, 47586, 55594, 64581, 71379, 71478, 74366, 82194, 83391, 111549, 123291, 129162, 142758, 150689, 166782, 193743, 223098, 246582, 250173, 260281, 301378, 334647, 387486, 409013, 452067, 500346, 520562, 669294, 780843, 818026, 904134, 1227039, 1356201, 1561686, 2342529, 2454078, 2712402, 2863091, 3681117, 4685058, 5726182, 7362234, 8589273, 17178546, 25767819, 51535638.
If you add them up, you will get the total of 148,352,256.