The factors of the number 1,587,222 are: 1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 19, 21, 26, 27, 34, 38, 39, 42, 51, 54, 57, 63, 78, 91, 102, 114, 117, 119, 126, 133, 153, 171, 182, 189, 221, 234, 238, 247, 266, 273, 306, 323, 342, 351, 357, 378, 399, 442, 459, 494, 513, 546, 646, 663, 702, 714, 741, 798, 819, 918, 969, 1026, 1071, 1197, 1326, 1482, 1547, 1638, 1729, 1938, 1989, 2142, 2223, 2261, 2394, 2457, 2907, 3094, 3213, 3458, 3591, 3978, 4199, 4446, 4522, 4641, 4914, 5187, 5814, 5967, 6426, 6669, 6783, 7182, 8398, 8721, 9282, 10374, 11934, 12597, 13338, 13566, 13923, 15561, 17442, 20349, 25194, 27846, 29393, 31122, 37791, 40698, 41769, 46683, 58786, 61047, 75582, 83538, 88179, 93366, 113373, 122094, 176358, 226746, 264537, 529074, 793611, 1587222.
If you add them up, you will get the total of 1,587,225. Now subtract 1,587,222 to get 3,251,178