281363712

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 863385600

約数和(自身を除く): 582021888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 199, 224, 256, 263, 336, 384, 398, 448, 526, 597, 672, 768, 789, 796, 896, 1052, 1194, 1344, 1393, 1578, 1592, 1792, 1841, 2104, 2388, 2688, 2786, 3156, 3184, 3682, 4179, 4208, 4776, 5376, 5523, 5572, 6312, 6368, 7364, 8358, 8416, 9552, 11046, 11144, 12624, 12736, 14728, 16716, 16832, 19104, 22092, 22288, 25248, 25472, 29456, 33432, 33664, 38208, 44184, 44576, 50496, 50944, 52337, 58912, 66864, 67328, 76416, 88368, 89152, 100992, 104674, 117824, 133728, 152832, 157011, 176736, 178304, 201984, 209348, 235648, 267456, 314022, 353472, 356608, 366359, 418696, 471296, 534912, 628044, 706944, 732718, 837392, 1069824, 1099077, 1256088, 1413888, 1465436, 1674784, 2198154, 2512176, 2930872, 3349568, 4396308, 5024352, 5861744, 6699136, 8792616, 10048704, 11723488, 13398272, 17585232, 20097408, 23446976, 35170464, 40194816, 46893952, 70340928, 93787904, 140681856, 281363712]

約数ペア:

[(1, 281363712), (2, 140681856), (3, 93787904), (4, 70340928), (6, 46893952), (7, 40194816), (8, 35170464), (12, 23446976), (14, 20097408), (16, 17585232), (21, 13398272), (24, 11723488), (28, 10048704), (32, 8792616), (42, 6699136), (48, 5861744), (56, 5024352), (64, 4396308), (84, 3349568), (96, 2930872), (112, 2512176), (128, 2198154), (168, 1674784), (192, 1465436), (199, 1413888), (224, 1256088), (256, 1099077), (263, 1069824), (336, 837392), (384, 732718), (398, 706944), (448, 628044), (526, 534912), (597, 471296), (672, 418696), (768, 366359), (789, 356608), (796, 353472), (896, 314022), (1052, 267456), (1194, 235648), (1344, 209348), (1393, 201984), (1578, 178304), (1592, 176736), (1792, 157011), (1841, 152832), (2104, 133728), (2388, 117824), (2688, 104674), (2786, 100992), (3156, 89152), (3184, 88368), (3682, 76416), (4179, 67328), (4208, 66864), (4776, 58912), (5376, 52337), (5523, 50944), (5572, 50496), (6312, 44576), (6368, 44184), (7364, 38208), (8358, 33664), (8416, 33432), (9552, 29456), (11046, 25472), (11144, 25248), (12624, 22288), (12736, 22092), (14728, 19104), (16716, 16832)]