257054784

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 168

約数和(自身を含む): 802660320

約数和(自身を除く): 545605536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 89, 96, 98, 112, 147, 168, 178, 192, 196, 224, 267, 294, 307, 336, 356, 392, 448, 534, 588, 614, 623, 672, 712, 784, 921, 1068, 1176, 1228, 1246, 1344, 1424, 1568, 1842, 1869, 2136, 2149, 2352, 2456, 2492, 2848, 3136, 3684, 3738, 4272, 4298, 4361, 4704, 4912, 4984, 5696, 6447, 7368, 7476, 8544, 8596, 8722, 9408, 9824, 9968, 12894, 13083, 14736, 14952, 15043, 17088, 17192, 17444, 19648, 19936, 25788, 26166, 27323, 29472, 29904, 30086, 34384, 34888, 39872, 45129, 51576, 52332, 54646, 58944, 59808, 60172, 68768, 69776, 81969, 90258, 103152, 104664, 109292, 119616, 120344, 137536, 139552, 163938, 180516, 191261, 206304, 209328, 218584, 240688, 279104, 327876, 361032, 382522, 412608, 418656, 437168, 481376, 573783, 655752, 722064, 765044, 837312, 874336, 962752, 1147566, 1311504, 1338827, 1444128, 1530088, 1748672, 2295132, 2623008, 2677654, 2888256, 3060176, 4016481, 4590264, 5246016, 5355308, 6120352, 8032962, 9180528, 10710616, 12240704, 16065924, 18361056, 21421232, 32131848, 36722112, 42842464, 64263696, 85684928, 128527392, 257054784]

約数ペア:

[(1, 257054784), (2, 128527392), (3, 85684928), (4, 64263696), (6, 42842464), (7, 36722112), (8, 32131848), (12, 21421232), (14, 18361056), (16, 16065924), (21, 12240704), (24, 10710616), (28, 9180528), (32, 8032962), (42, 6120352), (48, 5355308), (49, 5246016), (56, 4590264), (64, 4016481), (84, 3060176), (89, 2888256), (96, 2677654), (98, 2623008), (112, 2295132), (147, 1748672), (168, 1530088), (178, 1444128), (192, 1338827), (196, 1311504), (224, 1147566), (267, 962752), (294, 874336), (307, 837312), (336, 765044), (356, 722064), (392, 655752), (448, 573783), (534, 481376), (588, 437168), (614, 418656), (623, 412608), (672, 382522), (712, 361032), (784, 327876), (921, 279104), (1068, 240688), (1176, 218584), (1228, 209328), (1246, 206304), (1344, 191261), (1424, 180516), (1568, 163938), (1842, 139552), (1869, 137536), (2136, 120344), (2149, 119616), (2352, 109292), (2456, 104664), (2492, 103152), (2848, 90258), (3136, 81969), (3684, 69776), (3738, 68768), (4272, 60172), (4298, 59808), (4361, 58944), (4704, 54646), (4912, 52332), (4984, 51576), (5696, 45129), (6447, 39872), (7368, 34888), (7476, 34384), (8544, 30086), (8596, 29904), (8722, 29472), (9408, 27323), (9824, 26166), (9968, 25788), (12894, 19936), (13083, 19648), (14736, 17444), (14952, 17192), (15043, 17088)]