The factors of the number 2,803,944 are: 1, 2, 3, 4, 6, 8, 11, 12, 13, 19, 22, 24, 26, 33, 38, 39, 43, 44, 52, 57, 66, 76, 78, 86, 88, 104, 114, 129, 132, 143, 152, 156, 172, 209, 228, 247, 258, 264, 286, 312, 344, 418, 429, 456, 473, 494, 516, 559, 572, 627, 741, 817, 836, 858, 946, 988, 1032, 1118, 1144, 1254, 1419, 1482, 1634, 1672, 1677, 1716, 1892, 1976, 2236, 2451, 2508, 2717, 2838, 2964, 3268, 3354, 3432, 3784, 4472, 4902, 5016, 5434, 5676, 5928, 6149, 6536, 6708, 8151, 8987, 9804, 10621, 10868, 11352, 12298, 13416, 16302, 17974, 18447, 19608, 21242, 21736, 24596, 26961, 31863, 32604, 35948, 36894, 42484, 49192, 53922, 63726, 65208, 71896, 73788, 84968, 107844, 116831, 127452, 147576, 215688, 233662, 254904, 350493, 467324, 700986, 934648, 1401972, 2803944.
If you add them up, you will get the total of 8,870,400.