The factors of the number 261,556,736 are: 1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 32, 38, 46, 56, 64, 76, 92, 112, 128, 133, 152, 161, 167, 184, 224, 256, 266, 304, 322, 334, 368, 437, 448, 512, 532, 608, 644, 668, 736, 874, 896, 1064, 1169, 1216, 1288, 1336, 1472, 1748, 1792, 2128, 2338, 2432, 2576, 2672, 2944, 3059, 3173, 3496, 3584, 3841, 4256, 4676, 4864, 5152, 5344, 5888, 6118, 6346, 6992, 7682, 8512, 9352, 9728, 10304, 10688, 11776, 12236, 12692, 13984, 15364, 17024, 18704, 20608, 21376, 22211, 24472, 25384, 26887, 27968, 30728, 34048, 37408, 41216, 42752, 44422, 48944, 50768, 53774, 55936, 61456, 68096, 72979, 74816, 82432, 85504, 88844, 97888, 101536, 107548, 111872, 122912, 145958, 149632, 177688, 195776, 203072, 215096, 223744, 245824, 291916, 299264, 355376, 391552, 406144, 430192, 491648, 510853, 583832, 598528, 710752, 783104, 812288, 860384, 983296, 1021706, 1167664, 1421504, 1566208, 1624576, 1720768, 1966592, 2043412, 2335328, 2843008, 3441536, 4086824, 4670656, 5686016, 6883072, 8173648, 9341312, 11372032, 13766144, 16347296, 18682624, 32694592, 37365248, 65389184, 130778368, 261556736.
If you add them up, you will get the total of 261,557,134. Now subtract 261,556,736 to get 398,401,024