1917571712

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 4813110720

約数和(自身を除く): 2895539008

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 64, 68, 112, 119, 124, 128, 131, 136, 217, 224, 238, 248, 262, 272, 434, 448, 476, 496, 524, 527, 544, 868, 896, 917, 952, 961, 992, 1048, 1054, 1088, 1736, 1834, 1904, 1922, 1984, 2096, 2108, 2176, 2227, 3472, 3668, 3689, 3808, 3844, 3968, 4061, 4192, 4216, 4454, 6727, 6944, 7336, 7378, 7616, 7688, 8122, 8384, 8432, 8908, 13454, 13888, 14672, 14756, 15232, 15376, 15589, 16244, 16337, 16768, 16864, 17816, 26908, 27776, 28427, 29344, 29512, 30752, 31178, 32488, 32674, 33728, 35632, 53816, 56854, 58688, 59024, 61504, 62356, 64976, 65348, 67456, 69037, 71264, 107632, 113708, 114359, 117376, 118048, 123008, 124712, 125891, 129952, 130696, 138074, 142528, 215264, 227416, 228718, 236096, 249424, 251782, 259904, 261392, 276148, 285056, 430528, 454832, 457436, 472192, 483259, 498848, 503564, 519808, 522784, 552296, 861056, 881237, 909664, 914872, 966518, 997696, 1007128, 1045568, 1104592, 1762474, 1819328, 1829744, 1933036, 1995392, 2014256, 2091136, 2140147, 2209184, 3524948, 3638656, 3659488, 3866072, 4028512, 4280294, 4418368, 7049896, 7318976, 7732144, 8057024, 8560588, 8836736, 14099792, 14637952, 14981029, 15464288, 16114048, 17121176, 28199584, 29962058, 30928576, 34242352, 56399168, 59924116, 61857152, 68484704, 112798336, 119848232, 136969408, 239696464, 273938816, 479392928, 958785856, 1917571712]

約数ペア:

[(1, 1917571712), (2, 958785856), (4, 479392928), (7, 273938816), (8, 239696464), (14, 136969408), (16, 119848232), (17, 112798336), (28, 68484704), (31, 61857152), (32, 59924116), (34, 56399168), (56, 34242352), (62, 30928576), (64, 29962058), (68, 28199584), (112, 17121176), (119, 16114048), (124, 15464288), (128, 14981029), (131, 14637952), (136, 14099792), (217, 8836736), (224, 8560588), (238, 8057024), (248, 7732144), (262, 7318976), (272, 7049896), (434, 4418368), (448, 4280294), (476, 4028512), (496, 3866072), (524, 3659488), (527, 3638656), (544, 3524948), (868, 2209184), (896, 2140147), (917, 2091136), (952, 2014256), (961, 1995392), (992, 1933036), (1048, 1829744), (1054, 1819328), (1088, 1762474), (1736, 1104592), (1834, 1045568), (1904, 1007128), (1922, 997696), (1984, 966518), (2096, 914872), (2108, 909664), (2176, 881237), (2227, 861056), (3472, 552296), (3668, 522784), (3689, 519808), (3808, 503564), (3844, 498848), (3968, 483259), (4061, 472192), (4192, 457436), (4216, 454832), (4454, 430528), (6727, 285056), (6944, 276148), (7336, 261392), (7378, 259904), (7616, 251782), (7688, 249424), (8122, 236096), (8384, 228718), (8432, 227416), (8908, 215264), (13454, 142528), (13888, 138074), (14672, 130696), (14756, 129952), (15232, 125891), (15376, 124712), (15589, 123008), (16244, 118048), (16337, 117376), (16768, 114359), (16864, 113708), (17816, 107632), (26908, 71264), (27776, 69037), (28427, 67456), (29344, 65348), (29512, 64976), (30752, 62356), (31178, 61504), (32488, 59024), (32674, 58688), (33728, 56854), (35632, 53816)]