991436544

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 288

約数和(自身を含む): 3464007680

約数和(自身を除く): 2472571136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 64, 72, 84, 93, 96, 108, 112, 124, 126, 128, 144, 168, 186, 189, 192, 216, 217, 224, 248, 252, 256, 279, 288, 336, 372, 378, 384, 432, 434, 448, 496, 504, 558, 576, 651, 661, 672, 744, 756, 768, 837, 864, 868, 896, 992, 1008, 1116, 1152, 1302, 1322, 1344, 1488, 1512, 1674, 1728, 1736, 1792, 1953, 1983, 1984, 2016, 2232, 2304, 2604, 2644, 2688, 2976, 3024, 3348, 3456, 3472, 3906, 3966, 3968, 4032, 4464, 4627, 5208, 5288, 5376, 5859, 5949, 5952, 6048, 6696, 6912, 6944, 7812, 7932, 7936, 8064, 8928, 9254, 10416, 10576, 11718, 11898, 11904, 12096, 13392, 13881, 13888, 15624, 15864, 16128, 17847, 17856, 18508, 20491, 20832, 21152, 23436, 23796, 23808, 24192, 26784, 27762, 27776, 31248, 31728, 35694, 35712, 37016, 40982, 41643, 41664, 42304, 46872, 47592, 48384, 53568, 55524, 55552, 61473, 62496, 63456, 71388, 71424, 74032, 81964, 83286, 83328, 84608, 93744, 95184, 107136, 111048, 122946, 124929, 124992, 126912, 142776, 143437, 148064, 163928, 166572, 166656, 169216, 184419, 187488, 190368, 214272, 222096, 245892, 249858, 249984, 253824, 285552, 286874, 296128, 327856, 333144, 368838, 374976, 380736, 430311, 444192, 491784, 499716, 499968, 507648, 553257, 571104, 573748, 592256, 655712, 666288, 737676, 749952, 761472, 860622, 888384, 983568, 999432, 1106514, 1142208, 1147496, 1184512, 1290933, 1311424, 1332576, 1475352, 1499904, 1522944, 1721244, 1776768, 1967136, 1998864, 2213028, 2284416, 2294992, 2581866, 2622848, 2665152, 2950704, 3442488, 3553536, 3872799, 3934272, 3997728, 4426056, 4568832, 4589984, 5163732, 5245696, 5330304, 5901408, 6884976, 7745598, 7868544, 7995456, 8852112, 9179968, 10327464, 10660608, 11802816, 13769952, 15491196, 15737088, 15990912, 17704224, 18359936, 20654928, 23605632, 27539904, 30982392, 31981824, 35408448, 36719872, 41309856, 47211264, 55079808, 61964784, 70816896, 82619712, 110159616, 123929568, 141633792, 165239424, 247859136, 330478848, 495718272, 991436544]

約数ペア:

[(1, 991436544), (2, 495718272), (3, 330478848), (4, 247859136), (6, 165239424), (7, 141633792), (8, 123929568), (9, 110159616), (12, 82619712), (14, 70816896), (16, 61964784), (18, 55079808), (21, 47211264), (24, 41309856), (27, 36719872), (28, 35408448), (31, 31981824), (32, 30982392), (36, 27539904), (42, 23605632), (48, 20654928), (54, 18359936), (56, 17704224), (62, 15990912), (63, 15737088), (64, 15491196), (72, 13769952), (84, 11802816), (93, 10660608), (96, 10327464), (108, 9179968), (112, 8852112), (124, 7995456), (126, 7868544), (128, 7745598), (144, 6884976), (168, 5901408), (186, 5330304), (189, 5245696), (192, 5163732), (216, 4589984), (217, 4568832), (224, 4426056), (248, 3997728), (252, 3934272), (256, 3872799), (279, 3553536), (288, 3442488), (336, 2950704), (372, 2665152), (378, 2622848), (384, 2581866), (432, 2294992), (434, 2284416), (448, 2213028), (496, 1998864), (504, 1967136), (558, 1776768), (576, 1721244), (651, 1522944), (661, 1499904), (672, 1475352), (744, 1332576), (756, 1311424), (768, 1290933), (837, 1184512), (864, 1147496), (868, 1142208), (896, 1106514), (992, 999432), (1008, 983568), (1116, 888384), (1152, 860622), (1302, 761472), (1322, 749952), (1344, 737676), (1488, 666288), (1512, 655712), (1674, 592256), (1728, 573748), (1736, 571104), (1792, 553257), (1953, 507648), (1983, 499968), (1984, 499716), (2016, 491784), (2232, 444192), (2304, 430311), (2604, 380736), (2644, 374976), (2688, 368838), (2976, 333144), (3024, 327856), (3348, 296128), (3456, 286874), (3472, 285552), (3906, 253824), (3966, 249984), (3968, 249858), (4032, 245892), (4464, 222096), (4627, 214272), (5208, 190368), (5288, 187488), (5376, 184419), (5859, 169216), (5949, 166656), (5952, 166572), (6048, 163928), (6696, 148064), (6912, 143437), (6944, 142776), (7812, 126912), (7932, 124992), (7936, 124929), (8064, 122946), (8928, 111048), (9254, 107136), (10416, 95184), (10576, 93744), (11718, 84608), (11898, 83328), (11904, 83286), (12096, 81964), (13392, 74032), (13881, 71424), (13888, 71388), (15624, 63456), (15864, 62496), (16128, 61473), (17847, 55552), (17856, 55524), (18508, 53568), (20491, 48384), (20832, 47592), (21152, 46872), (23436, 42304), (23796, 41664), (23808, 41643), (24192, 40982), (26784, 37016), (27762, 35712), (27776, 35694), (31248, 31728)]