209471808

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 224

約数和(自身を含む): 719165440

約数和(自身を除く): 509693632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 32, 38, 39, 42, 48, 52, 56, 57, 64, 76, 78, 84, 91, 96, 104, 112, 114, 133, 152, 156, 168, 182, 192, 208, 224, 228, 247, 266, 273, 304, 312, 336, 364, 399, 416, 448, 456, 494, 532, 546, 608, 624, 631, 672, 728, 741, 798, 832, 912, 988, 1064, 1092, 1216, 1248, 1262, 1344, 1456, 1482, 1596, 1729, 1824, 1893, 1976, 2128, 2184, 2496, 2524, 2912, 2964, 3192, 3458, 3648, 3786, 3952, 4256, 4368, 4417, 5048, 5187, 5824, 5928, 6384, 6916, 7572, 7904, 8203, 8512, 8736, 8834, 10096, 10374, 11856, 11989, 12768, 13251, 13832, 15144, 15808, 16406, 17472, 17668, 20192, 20748, 23712, 23978, 24609, 25536, 26502, 27664, 30288, 32812, 35336, 35967, 40384, 41496, 47424, 47956, 49218, 53004, 55328, 57421, 60576, 65624, 70672, 71934, 82992, 83923, 95912, 98436, 106008, 110656, 114842, 121152, 131248, 141344, 143868, 155857, 165984, 167846, 172263, 191824, 196872, 212016, 229684, 251769, 262496, 282688, 287736, 311714, 331968, 335692, 344526, 383648, 393744, 424032, 459368, 467571, 503538, 524992, 575472, 623428, 671384, 689052, 767296, 787488, 848064, 918736, 935142, 1007076, 1090999, 1150944, 1246856, 1342768, 1378104, 1574976, 1837472, 1870284, 2014152, 2181998, 2301888, 2493712, 2685536, 2756208, 3272997, 3674944, 3740568, 4028304, 4363996, 4987424, 5371072, 5512416, 6545994, 7481136, 8056608, 8727992, 9974848, 11024832, 13091988, 14962272, 16113216, 17455984, 26183976, 29924544, 34911968, 52367952, 69823936, 104735904, 209471808]

約数ペア:

[(1, 209471808), (2, 104735904), (3, 69823936), (4, 52367952), (6, 34911968), (7, 29924544), (8, 26183976), (12, 17455984), (13, 16113216), (14, 14962272), (16, 13091988), (19, 11024832), (21, 9974848), (24, 8727992), (26, 8056608), (28, 7481136), (32, 6545994), (38, 5512416), (39, 5371072), (42, 4987424), (48, 4363996), (52, 4028304), (56, 3740568), (57, 3674944), (64, 3272997), (76, 2756208), (78, 2685536), (84, 2493712), (91, 2301888), (96, 2181998), (104, 2014152), (112, 1870284), (114, 1837472), (133, 1574976), (152, 1378104), (156, 1342768), (168, 1246856), (182, 1150944), (192, 1090999), (208, 1007076), (224, 935142), (228, 918736), (247, 848064), (266, 787488), (273, 767296), (304, 689052), (312, 671384), (336, 623428), (364, 575472), (399, 524992), (416, 503538), (448, 467571), (456, 459368), (494, 424032), (532, 393744), (546, 383648), (608, 344526), (624, 335692), (631, 331968), (672, 311714), (728, 287736), (741, 282688), (798, 262496), (832, 251769), (912, 229684), (988, 212016), (1064, 196872), (1092, 191824), (1216, 172263), (1248, 167846), (1262, 165984), (1344, 155857), (1456, 143868), (1482, 141344), (1596, 131248), (1729, 121152), (1824, 114842), (1893, 110656), (1976, 106008), (2128, 98436), (2184, 95912), (2496, 83923), (2524, 82992), (2912, 71934), (2964, 70672), (3192, 65624), (3458, 60576), (3648, 57421), (3786, 55328), (3952, 53004), (4256, 49218), (4368, 47956), (4417, 47424), (5048, 41496), (5187, 40384), (5824, 35967), (5928, 35336), (6384, 32812), (6916, 30288), (7572, 27664), (7904, 26502), (8203, 25536), (8512, 24609), (8736, 23978), (8834, 23712), (10096, 20748), (10374, 20192), (11856, 17668), (11989, 17472), (12768, 16406), (13251, 15808), (13832, 15144)]