256997952

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1081

約数の個数: 168

約数和(自身を含む): 809914560

約数和(自身を除く): 552916608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 32, 36, 38, 46, 48, 57, 64, 69, 72, 76, 92, 96, 114, 138, 144, 152, 171, 184, 192, 207, 228, 276, 288, 304, 342, 368, 414, 437, 456, 552, 576, 608, 684, 736, 828, 874, 912, 1021, 1104, 1216, 1311, 1368, 1472, 1656, 1748, 1824, 2042, 2208, 2622, 2736, 3063, 3312, 3496, 3648, 3933, 4084, 4416, 5244, 5472, 6126, 6624, 6992, 7866, 8168, 9189, 10488, 10944, 12252, 13248, 13984, 15732, 16336, 18378, 19399, 20976, 23483, 24504, 27968, 31464, 32672, 36756, 38798, 41952, 46966, 49008, 58197, 62928, 65344, 70449, 73512, 77596, 83904, 93932, 98016, 116394, 125856, 140898, 147024, 155192, 174591, 187864, 196032, 211347, 232788, 251712, 281796, 294048, 310384, 349182, 375728, 422694, 446177, 465576, 563592, 588096, 620768, 698364, 751456, 845388, 892354, 931152, 1127184, 1241536, 1338531, 1396728, 1502912, 1690776, 1784708, 1862304, 2254368, 2677062, 2793456, 3381552, 3569416, 3724608, 4015593, 4508736, 5354124, 5586912, 6763104, 7138832, 8031186, 10708248, 11173824, 13526208, 14277664, 16062372, 21416496, 28555328, 32124744, 42832992, 64249488, 85665984, 128498976, 256997952]

約数ペア:

[(1, 256997952), (2, 128498976), (3, 85665984), (4, 64249488), (6, 42832992), (8, 32124744), (9, 28555328), (12, 21416496), (16, 16062372), (18, 14277664), (19, 13526208), (23, 11173824), (24, 10708248), (32, 8031186), (36, 7138832), (38, 6763104), (46, 5586912), (48, 5354124), (57, 4508736), (64, 4015593), (69, 3724608), (72, 3569416), (76, 3381552), (92, 2793456), (96, 2677062), (114, 2254368), (138, 1862304), (144, 1784708), (152, 1690776), (171, 1502912), (184, 1396728), (192, 1338531), (207, 1241536), (228, 1127184), (276, 931152), (288, 892354), (304, 845388), (342, 751456), (368, 698364), (414, 620768), (437, 588096), (456, 563592), (552, 465576), (576, 446177), (608, 422694), (684, 375728), (736, 349182), (828, 310384), (874, 294048), (912, 281796), (1021, 251712), (1104, 232788), (1216, 211347), (1311, 196032), (1368, 187864), (1472, 174591), (1656, 155192), (1748, 147024), (1824, 140898), (2042, 125856), (2208, 116394), (2622, 98016), (2736, 93932), (3063, 83904), (3312, 77596), (3496, 73512), (3648, 70449), (3933, 65344), (4084, 62928), (4416, 58197), (5244, 49008), (5472, 46966), (6126, 41952), (6624, 38798), (6992, 36756), (7866, 32672), (8168, 31464), (9189, 27968), (10488, 24504), (10944, 23483), (12252, 20976), (13248, 19399), (13984, 18378), (15732, 16336)]