399057984

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:557

約数の個数: 168

約数和(自身を含む): 1243995480

約数和(自身を除く): 844937496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 137, 144, 156, 192, 208, 234, 274, 288, 312, 389, 411, 416, 468, 548, 576, 624, 778, 822, 832, 936, 1096, 1167, 1233, 1248, 1556, 1644, 1781, 1872, 2192, 2334, 2466, 2496, 3112, 3288, 3501, 3562, 3744, 4384, 4668, 4932, 5057, 5343, 6224, 6576, 7002, 7124, 7488, 8768, 9336, 9864, 10114, 10686, 12448, 13152, 14004, 14248, 15171, 16029, 18672, 19728, 20228, 21372, 24896, 26304, 28008, 28496, 30342, 32058, 37344, 39456, 40456, 42744, 45513, 53293, 56016, 56992, 60684, 64116, 74688, 78912, 80912, 85488, 91026, 106586, 112032, 113984, 121368, 128232, 159879, 161824, 170976, 182052, 213172, 224064, 242736, 256464, 319758, 323648, 341952, 364104, 426344, 479637, 485472, 512928, 639516, 692809, 728208, 852688, 959274, 970944, 1025856, 1279032, 1385618, 1456416, 1705376, 1918548, 2078427, 2558064, 2771236, 2912832, 3410752, 3837096, 4156854, 5116128, 5542472, 6235281, 7674192, 8313708, 10232256, 11084944, 12470562, 15348384, 16627416, 22169888, 24941124, 30696768, 33254832, 44339776, 49882248, 66509664, 99764496, 133019328, 199528992, 399057984]

約数ペア:

[(1, 399057984), (2, 199528992), (3, 133019328), (4, 99764496), (6, 66509664), (8, 49882248), (9, 44339776), (12, 33254832), (13, 30696768), (16, 24941124), (18, 22169888), (24, 16627416), (26, 15348384), (32, 12470562), (36, 11084944), (39, 10232256), (48, 8313708), (52, 7674192), (64, 6235281), (72, 5542472), (78, 5116128), (96, 4156854), (104, 3837096), (117, 3410752), (137, 2912832), (144, 2771236), (156, 2558064), (192, 2078427), (208, 1918548), (234, 1705376), (274, 1456416), (288, 1385618), (312, 1279032), (389, 1025856), (411, 970944), (416, 959274), (468, 852688), (548, 728208), (576, 692809), (624, 639516), (778, 512928), (822, 485472), (832, 479637), (936, 426344), (1096, 364104), (1167, 341952), (1233, 323648), (1248, 319758), (1556, 256464), (1644, 242736), (1781, 224064), (1872, 213172), (2192, 182052), (2334, 170976), (2466, 161824), (2496, 159879), (3112, 128232), (3288, 121368), (3501, 113984), (3562, 112032), (3744, 106586), (4384, 91026), (4668, 85488), (4932, 80912), (5057, 78912), (5343, 74688), (6224, 64116), (6576, 60684), (7002, 56992), (7124, 56016), (7488, 53293), (8768, 45513), (9336, 42744), (9864, 40456), (10114, 39456), (10686, 37344), (12448, 32058), (13152, 30342), (14004, 28496), (14248, 28008), (15171, 26304), (16029, 24896), (18672, 21372), (19728, 20228)]