2011122568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 4803321600

約数和(自身を除く): 2792199032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 74, 91, 104, 148, 182, 197, 259, 296, 364, 379, 394, 481, 518, 728, 758, 788, 962, 1036, 1379, 1516, 1576, 1924, 2072, 2561, 2653, 2758, 3032, 3367, 3848, 4927, 5122, 5306, 5516, 6734, 7289, 9854, 10244, 10612, 11032, 13468, 14023, 14578, 17927, 19708, 20488, 21224, 26936, 28046, 29156, 34489, 35854, 39416, 51023, 56092, 58312, 68978, 71708, 74663, 94757, 98161, 102046, 112184, 137956, 143416, 149326, 182299, 189514, 196322, 204092, 275912, 298652, 364598, 379028, 392644, 408184, 522641, 597304, 663299, 729196, 758056, 785288, 970619, 1045282, 1276093, 1326598, 1458392, 1941238, 2090564, 2552186, 2653196, 2762531, 3882476, 4181128, 5104372, 5306392, 5525062, 6794333, 7764952, 10208744, 11050124, 13588666, 19337717, 22100248, 27177332, 35912903, 38675434, 54354664, 71825806, 77350868, 143651612, 154701736, 251390321, 287303224, 502780642, 1005561284, 2011122568]

約数ペア:

[(1, 2011122568), (2, 1005561284), (4, 502780642), (7, 287303224), (8, 251390321), (13, 154701736), (14, 143651612), (26, 77350868), (28, 71825806), (37, 54354664), (52, 38675434), (56, 35912903), (74, 27177332), (91, 22100248), (104, 19337717), (148, 13588666), (182, 11050124), (197, 10208744), (259, 7764952), (296, 6794333), (364, 5525062), (379, 5306392), (394, 5104372), (481, 4181128), (518, 3882476), (728, 2762531), (758, 2653196), (788, 2552186), (962, 2090564), (1036, 1941238), (1379, 1458392), (1516, 1326598), (1576, 1276093), (1924, 1045282), (2072, 970619), (2561, 785288), (2653, 758056), (2758, 729196), (3032, 663299), (3367, 597304), (3848, 522641), (4927, 408184), (5122, 392644), (5306, 379028), (5516, 364598), (6734, 298652), (7289, 275912), (9854, 204092), (10244, 196322), (10612, 189514), (11032, 182299), (13468, 149326), (14023, 143416), (14578, 137956), (17927, 112184), (19708, 102046), (20488, 98161), (21224, 94757), (26936, 74663), (28046, 71708), (29156, 68978), (34489, 58312), (35854, 56092), (39416, 51023)]