263708928

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 216

約数和(自身を含む): 883891008

約数和(自身を除く): 620182080

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 83, 84, 96, 112, 126, 128, 144, 166, 168, 192, 197, 224, 249, 252, 256, 288, 332, 336, 384, 394, 448, 498, 504, 576, 581, 591, 664, 672, 747, 768, 788, 896, 996, 1008, 1152, 1162, 1182, 1328, 1344, 1379, 1494, 1576, 1743, 1773, 1792, 1992, 2016, 2304, 2324, 2364, 2656, 2688, 2758, 2988, 3152, 3486, 3546, 3984, 4032, 4137, 4648, 4728, 5229, 5312, 5376, 5516, 5976, 6304, 6972, 7092, 7968, 8064, 8274, 9296, 9456, 10458, 10624, 11032, 11952, 12411, 12608, 13944, 14184, 15936, 16128, 16351, 16548, 18592, 18912, 20916, 21248, 22064, 23904, 24822, 25216, 27888, 28368, 31872, 32702, 33096, 37184, 37824, 41832, 44128, 47808, 49053, 49644, 50432, 55776, 56736, 63744, 65404, 66192, 74368, 75648, 83664, 88256, 95616, 98106, 99288, 111552, 113472, 114457, 130808, 132384, 147159, 148736, 151296, 167328, 176512, 191232, 196212, 198576, 223104, 226944, 228914, 261616, 264768, 294318, 334656, 343371, 353024, 392424, 397152, 446208, 453888, 457828, 523232, 529536, 588636, 669312, 686742, 784848, 794304, 915656, 1030113, 1046464, 1059072, 1177272, 1338624, 1373484, 1569696, 1588608, 1831312, 2060226, 2092928, 2354544, 2746968, 3139392, 3177216, 3662624, 4120452, 4185856, 4709088, 5493936, 6278784, 7325248, 8240904, 9418176, 10987872, 12557568, 14650496, 16481808, 18836352, 21975744, 29300992, 32963616, 37672704, 43951488, 65927232, 87902976, 131854464, 263708928]

約数ペア:

[(1, 263708928), (2, 131854464), (3, 87902976), (4, 65927232), (6, 43951488), (7, 37672704), (8, 32963616), (9, 29300992), (12, 21975744), (14, 18836352), (16, 16481808), (18, 14650496), (21, 12557568), (24, 10987872), (28, 9418176), (32, 8240904), (36, 7325248), (42, 6278784), (48, 5493936), (56, 4709088), (63, 4185856), (64, 4120452), (72, 3662624), (83, 3177216), (84, 3139392), (96, 2746968), (112, 2354544), (126, 2092928), (128, 2060226), (144, 1831312), (166, 1588608), (168, 1569696), (192, 1373484), (197, 1338624), (224, 1177272), (249, 1059072), (252, 1046464), (256, 1030113), (288, 915656), (332, 794304), (336, 784848), (384, 686742), (394, 669312), (448, 588636), (498, 529536), (504, 523232), (576, 457828), (581, 453888), (591, 446208), (664, 397152), (672, 392424), (747, 353024), (768, 343371), (788, 334656), (896, 294318), (996, 264768), (1008, 261616), (1152, 228914), (1162, 226944), (1182, 223104), (1328, 198576), (1344, 196212), (1379, 191232), (1494, 176512), (1576, 167328), (1743, 151296), (1773, 148736), (1792, 147159), (1992, 132384), (2016, 130808), (2304, 114457), (2324, 113472), (2364, 111552), (2656, 99288), (2688, 98106), (2758, 95616), (2988, 88256), (3152, 83664), (3486, 75648), (3546, 74368), (3984, 66192), (4032, 65404), (4137, 63744), (4648, 56736), (4728, 55776), (5229, 50432), (5312, 49644), (5376, 49053), (5516, 47808), (5976, 44128), (6304, 41832), (6972, 37824), (7092, 37184), (7968, 33096), (8064, 32702), (8274, 31872), (9296, 28368), (9456, 27888), (10458, 25216), (10624, 24822), (11032, 23904), (11952, 22064), (12411, 21248), (12608, 20916), (13944, 18912), (14184, 18592), (15936, 16548), (16128, 16351)]