1331248128

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2058

約数の個数: 176

約数和(自身を含む): 4188063744

約数和(自身を除く): 2856815616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 256, 336, 372, 384, 434, 448, 496, 512, 651, 672, 744, 768, 868, 896, 992, 1024, 1302, 1344, 1488, 1536, 1736, 1792, 1984, 1997, 2604, 2688, 2976, 3072, 3472, 3584, 3968, 3994, 5208, 5376, 5952, 5991, 6944, 7168, 7936, 7988, 10416, 10752, 11904, 11982, 13888, 13979, 15872, 15976, 20832, 21504, 23808, 23964, 27776, 27958, 31744, 31952, 41664, 41937, 47616, 47928, 55552, 55916, 61907, 63904, 83328, 83874, 95232, 95856, 111104, 111832, 123814, 127808, 166656, 167748, 185721, 191712, 222208, 223664, 247628, 255616, 333312, 335496, 371442, 383424, 433349, 447328, 495256, 511232, 666624, 670992, 742884, 766848, 866698, 894656, 990512, 1022464, 1300047, 1341984, 1485768, 1533696, 1733396, 1789312, 1981024, 2044928, 2600094, 2683968, 2971536, 3067392, 3466792, 3578624, 3962048, 5200188, 5367936, 5943072, 6134784, 6933584, 7157248, 7924096, 10400376, 10735872, 11886144, 13867168, 14314496, 15848192, 20800752, 21471744, 23772288, 27734336, 31696384, 41601504, 42943488, 47544576, 55468672, 63392768, 83203008, 95089152, 110937344, 166406016, 190178304, 221874688, 332812032, 443749376, 665624064, 1331248128]

約数ペア:

[(1, 1331248128), (2, 665624064), (3, 443749376), (4, 332812032), (6, 221874688), (7, 190178304), (8, 166406016), (12, 110937344), (14, 95089152), (16, 83203008), (21, 63392768), (24, 55468672), (28, 47544576), (31, 42943488), (32, 41601504), (42, 31696384), (48, 27734336), (56, 23772288), (62, 21471744), (64, 20800752), (84, 15848192), (93, 14314496), (96, 13867168), (112, 11886144), (124, 10735872), (128, 10400376), (168, 7924096), (186, 7157248), (192, 6933584), (217, 6134784), (224, 5943072), (248, 5367936), (256, 5200188), (336, 3962048), (372, 3578624), (384, 3466792), (434, 3067392), (448, 2971536), (496, 2683968), (512, 2600094), (651, 2044928), (672, 1981024), (744, 1789312), (768, 1733396), (868, 1533696), (896, 1485768), (992, 1341984), (1024, 1300047), (1302, 1022464), (1344, 990512), (1488, 894656), (1536, 866698), (1736, 766848), (1792, 742884), (1984, 670992), (1997, 666624), (2604, 511232), (2688, 495256), (2976, 447328), (3072, 433349), (3472, 383424), (3584, 371442), (3968, 335496), (3994, 333312), (5208, 255616), (5376, 247628), (5952, 223664), (5991, 222208), (6944, 191712), (7168, 185721), (7936, 167748), (7988, 166656), (10416, 127808), (10752, 123814), (11904, 111832), (11982, 111104), (13888, 95856), (13979, 95232), (15872, 83874), (15976, 83328), (20832, 63904), (21504, 61907), (23808, 55916), (23964, 55552), (27776, 47928), (27958, 47616), (31744, 41937), (31952, 41664)]