1991818752

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1531}}^1$

素因数の和:1581

約数の個数: 240

約数和(自身を含む): 6670156416

約数和(自身を除く): 4678337664

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 121, 128, 132, 154, 168, 176, 192, 224, 231, 242, 256, 264, 308, 336, 352, 363, 384, 448, 462, 484, 512, 528, 616, 672, 704, 726, 768, 847, 896, 924, 968, 1056, 1232, 1344, 1408, 1452, 1531, 1536, 1694, 1792, 1848, 1936, 2112, 2464, 2541, 2688, 2816, 2904, 3062, 3388, 3584, 3696, 3872, 4224, 4593, 4928, 5082, 5376, 5632, 5808, 6124, 6776, 7392, 7744, 8448, 9186, 9856, 10164, 10717, 10752, 11616, 12248, 13552, 14784, 15488, 16841, 16896, 18372, 19712, 20328, 21434, 23232, 24496, 27104, 29568, 30976, 32151, 33682, 36744, 39424, 40656, 42868, 46464, 48992, 50523, 54208, 59136, 61952, 64302, 67364, 73488, 81312, 85736, 92928, 97984, 101046, 108416, 117887, 118272, 128604, 134728, 146976, 162624, 171472, 185251, 185856, 195968, 202092, 216832, 235774, 257208, 269456, 293952, 325248, 342944, 353661, 370502, 391936, 404184, 433664, 471548, 514416, 538912, 555753, 587904, 650496, 685888, 707322, 741004, 783872, 808368, 943096, 1028832, 1077824, 1111506, 1175808, 1296757, 1300992, 1371776, 1414644, 1482008, 1616736, 1886192, 2057664, 2155648, 2223012, 2351616, 2593514, 2743552, 2829288, 2964016, 3233472, 3772384, 3890271, 4115328, 4311296, 4446024, 5187028, 5487104, 5658576, 5928032, 6466944, 7544768, 7780542, 8230656, 8622592, 8892048, 10374056, 11317152, 11856064, 12933888, 15089536, 15561084, 16461312, 17784096, 20748112, 22634304, 23712128, 25867776, 30179072, 31122168, 35568192, 41496224, 45268608, 47424256, 60358144, 62244336, 71136384, 82992448, 90537216, 94848512, 124488672, 142272768, 165984896, 181074432, 248977344, 284545536, 331969792, 497954688, 663939584, 995909376, 1991818752]

約数ペア:

[(1, 1991818752), (2, 995909376), (3, 663939584), (4, 497954688), (6, 331969792), (7, 284545536), (8, 248977344), (11, 181074432), (12, 165984896), (14, 142272768), (16, 124488672), (21, 94848512), (22, 90537216), (24, 82992448), (28, 71136384), (32, 62244336), (33, 60358144), (42, 47424256), (44, 45268608), (48, 41496224), (56, 35568192), (64, 31122168), (66, 30179072), (77, 25867776), (84, 23712128), (88, 22634304), (96, 20748112), (112, 17784096), (121, 16461312), (128, 15561084), (132, 15089536), (154, 12933888), (168, 11856064), (176, 11317152), (192, 10374056), (224, 8892048), (231, 8622592), (242, 8230656), (256, 7780542), (264, 7544768), (308, 6466944), (336, 5928032), (352, 5658576), (363, 5487104), (384, 5187028), (448, 4446024), (462, 4311296), (484, 4115328), (512, 3890271), (528, 3772384), (616, 3233472), (672, 2964016), (704, 2829288), (726, 2743552), (768, 2593514), (847, 2351616), (896, 2223012), (924, 2155648), (968, 2057664), (1056, 1886192), (1232, 1616736), (1344, 1482008), (1408, 1414644), (1452, 1371776), (1531, 1300992), (1536, 1296757), (1694, 1175808), (1792, 1111506), (1848, 1077824), (1936, 1028832), (2112, 943096), (2464, 808368), (2541, 783872), (2688, 741004), (2816, 707322), (2904, 685888), (3062, 650496), (3388, 587904), (3584, 555753), (3696, 538912), (3872, 514416), (4224, 471548), (4593, 433664), (4928, 404184), (5082, 391936), (5376, 370502), (5632, 353661), (5808, 342944), (6124, 325248), (6776, 293952), (7392, 269456), (7744, 257208), (8448, 235774), (9186, 216832), (9856, 202092), (10164, 195968), (10717, 185856), (10752, 185251), (11616, 171472), (12248, 162624), (13552, 146976), (14784, 134728), (15488, 128604), (16841, 118272), (16896, 117887), (18372, 108416), (19712, 101046), (20328, 97984), (21434, 92928), (23232, 85736), (24496, 81312), (27104, 73488), (29568, 67364), (30976, 64302), (32151, 61952), (33682, 59136), (36744, 54208), (39424, 50523), (40656, 48992), (42868, 46464)]