The factors of the number 2,687,904 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 61, 68, 72, 81, 96, 102, 108, 122, 136, 144, 153, 162, 183, 204, 216, 244, 272, 288, 306, 324, 366, 408, 432, 459, 488, 544, 549, 612, 648, 732, 816, 864, 918, 976, 1037, 1098, 1224, 1296, 1377, 1464, 1632, 1647, 1836, 1952, 2074, 2196, 2448, 2592, 2754, 2928, 3111, 3294, 3672, 4148, 4392, 4896, 4941, 5508, 5856, 6222, 6588, 7344, 8296, 8784, 9333, 9882, 11016, 12444, 13176, 14688, 16592, 17568, 18666, 19764, 22032, 24888, 26352, 27999, 33184, 37332, 39528, 44064, 49776, 52704, 55998, 74664, 79056, 83997, 99552, 111996, 149328, 158112, 167994, 223992, 298656, 335988, 447984, 671976, 895968, 1343952, 2687904.
If you add them up, you will get the total of 8,507,268.