The factors of the number 581,388,444 are: 1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 103, 117, 126, 156, 182, 206, 234, 252, 273, 309, 364, 412, 468, 546, 618, 721, 819, 927, 1092, 1236, 1339, 1442, 1638, 1723, 1854, 2163, 2678, 2884, 3276, 3446, 3708, 4017, 4326, 5169, 5356, 6489, 6892, 8034, 8652, 9373, 10338, 12051, 12061, 12978, 15507, 16068, 18746, 20676, 22399, 24102, 24122, 25956, 28119, 31014, 36183, 37492, 44798, 48204, 48244, 56238, 62028, 67197, 72366, 84357, 89596, 108549, 112476, 134394, 144732, 156793, 168714, 177469, 201591, 217098, 268788, 313586, 337428, 354938, 403182, 434196, 470379, 532407, 627172, 709876, 806364, 940758, 1064814, 1242283, 1411137, 1597221, 1881516, 2129628, 2307097, 2484566, 2822274, 3194442, 3726849, 4614194, 4969132, 5644548, 6388884, 6921291, 7453698, 9228388, 11180547, 13842582, 14907396, 16149679, 20763873, 22361094, 27685164, 32299358, 41527746, 44722188, 48449037, 64598716, 83055492, 96898074, 145347111, 193796148, 290694222, 581388444.
If you add them up, you will get the total of 1,827,384,832.