638510208

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 256

約数和(自身を含む): 2088633600

約数和(自身を除く): 1450123392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 64, 68, 84, 89, 96, 102, 112, 119, 128, 136, 157, 168, 178, 192, 204, 224, 238, 267, 272, 314, 336, 356, 357, 384, 408, 448, 471, 476, 534, 544, 623, 628, 672, 712, 714, 816, 896, 942, 952, 1068, 1088, 1099, 1246, 1256, 1344, 1424, 1428, 1513, 1632, 1869, 1884, 1904, 2136, 2176, 2198, 2492, 2512, 2669, 2688, 2848, 2856, 3026, 3264, 3297, 3738, 3768, 3808, 4272, 4396, 4539, 4984, 5024, 5338, 5696, 5712, 6052, 6528, 6594, 7476, 7536, 7616, 8007, 8544, 8792, 9078, 9968, 10048, 10591, 10676, 11392, 11424, 12104, 13188, 13973, 14952, 15072, 15232, 16014, 17088, 17584, 18156, 18683, 19936, 20096, 21182, 21352, 22848, 24208, 26376, 27946, 29904, 30144, 31773, 32028, 34176, 35168, 36312, 37366, 39872, 41919, 42364, 42704, 45696, 48416, 52752, 55892, 56049, 59808, 60288, 63546, 64056, 70336, 72624, 74732, 79744, 83838, 84728, 85408, 96832, 97811, 105504, 111784, 112098, 119616, 127092, 128112, 140672, 145248, 149464, 167676, 169456, 170816, 193664, 195622, 211008, 223568, 224196, 237541, 239232, 254184, 256224, 290496, 293433, 298928, 335352, 338912, 341632, 391244, 422016, 447136, 448392, 475082, 508368, 512448, 580992, 586866, 597856, 670704, 677824, 712623, 782488, 894272, 896784, 950164, 1016736, 1024896, 1173732, 1195712, 1341408, 1355648, 1425246, 1564976, 1662787, 1788544, 1793568, 1900328, 2033472, 2347464, 2391424, 2682816, 2850492, 3129952, 3325574, 3587136, 3800656, 4066944, 4694928, 4988361, 5365632, 5700984, 6259904, 6651148, 7174272, 7601312, 9389856, 9976722, 11401968, 12519808, 13302296, 15202624, 18779712, 19953444, 22803936, 26604592, 30405248, 37559424, 39906888, 45607872, 53209184, 79813776, 91215744, 106418368, 159627552, 212836736, 319255104, 638510208]

約数ペア:

[(1, 638510208), (2, 319255104), (3, 212836736), (4, 159627552), (6, 106418368), (7, 91215744), (8, 79813776), (12, 53209184), (14, 45607872), (16, 39906888), (17, 37559424), (21, 30405248), (24, 26604592), (28, 22803936), (32, 19953444), (34, 18779712), (42, 15202624), (48, 13302296), (51, 12519808), (56, 11401968), (64, 9976722), (68, 9389856), (84, 7601312), (89, 7174272), (96, 6651148), (102, 6259904), (112, 5700984), (119, 5365632), (128, 4988361), (136, 4694928), (157, 4066944), (168, 3800656), (178, 3587136), (192, 3325574), (204, 3129952), (224, 2850492), (238, 2682816), (267, 2391424), (272, 2347464), (314, 2033472), (336, 1900328), (356, 1793568), (357, 1788544), (384, 1662787), (408, 1564976), (448, 1425246), (471, 1355648), (476, 1341408), (534, 1195712), (544, 1173732), (623, 1024896), (628, 1016736), (672, 950164), (712, 896784), (714, 894272), (816, 782488), (896, 712623), (942, 677824), (952, 670704), (1068, 597856), (1088, 586866), (1099, 580992), (1246, 512448), (1256, 508368), (1344, 475082), (1424, 448392), (1428, 447136), (1513, 422016), (1632, 391244), (1869, 341632), (1884, 338912), (1904, 335352), (2136, 298928), (2176, 293433), (2198, 290496), (2492, 256224), (2512, 254184), (2669, 239232), (2688, 237541), (2848, 224196), (2856, 223568), (3026, 211008), (3264, 195622), (3297, 193664), (3738, 170816), (3768, 169456), (3808, 167676), (4272, 149464), (4396, 145248), (4539, 140672), (4984, 128112), (5024, 127092), (5338, 119616), (5696, 112098), (5712, 111784), (6052, 105504), (6528, 97811), (6594, 96832), (7476, 85408), (7536, 84728), (7616, 83838), (8007, 79744), (8544, 74732), (8792, 72624), (9078, 70336), (9968, 64056), (10048, 63546), (10591, 60288), (10676, 59808), (11392, 56049), (11424, 55892), (12104, 52752), (13188, 48416), (13973, 45696), (14952, 42704), (15072, 42364), (15232, 41919), (16014, 39872), (17088, 37366), (17584, 36312), (18156, 35168), (18683, 34176), (19936, 32028), (20096, 31773), (21182, 30144), (21352, 29904), (22848, 27946), (24208, 26376)]