1981171808

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:797

約数の個数: 192

約数和(自身を含む): 5162766336

約数和(自身を除く): 3181594528

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 37, 44, 56, 62, 74, 77, 88, 112, 124, 148, 154, 176, 217, 224, 248, 259, 296, 308, 341, 352, 407, 434, 496, 518, 592, 616, 682, 701, 814, 868, 992, 1036, 1147, 1184, 1232, 1364, 1402, 1628, 1736, 2072, 2294, 2387, 2464, 2728, 2804, 2849, 3256, 3472, 4144, 4588, 4774, 4907, 5456, 5608, 5698, 6512, 6944, 7711, 8029, 8288, 9176, 9548, 9814, 10912, 11216, 11396, 12617, 13024, 15422, 16058, 18352, 19096, 19628, 21731, 22432, 22792, 25234, 25937, 30844, 32116, 36704, 38192, 39256, 43462, 45584, 50468, 51874, 53977, 61688, 64232, 76384, 78512, 86924, 88319, 91168, 100936, 103748, 107954, 123376, 128464, 152117, 157024, 173848, 176638, 181559, 201872, 207496, 215908, 239041, 246752, 256928, 285307, 304234, 347696, 353276, 363118, 403744, 414992, 431816, 478082, 570614, 608468, 695392, 706552, 726236, 804047, 829984, 863632, 956164, 1141228, 1216936, 1413104, 1452472, 1608094, 1673287, 1727264, 1912328, 1997149, 2282456, 2433872, 2826208, 2904944, 3216188, 3346574, 3824656, 3994298, 4564912, 4867744, 5628329, 5809888, 6432376, 6693148, 7649312, 7988596, 8844517, 9129824, 11256658, 12864752, 13386296, 15977192, 17689034, 22513316, 25729504, 26772592, 31954384, 35378068, 45026632, 53545184, 61911619, 63908768, 70756136, 90053264, 123823238, 141512272, 180106528, 247646476, 283024544, 495292952, 990585904, 1981171808]

約数ペア:

[(1, 1981171808), (2, 990585904), (4, 495292952), (7, 283024544), (8, 247646476), (11, 180106528), (14, 141512272), (16, 123823238), (22, 90053264), (28, 70756136), (31, 63908768), (32, 61911619), (37, 53545184), (44, 45026632), (56, 35378068), (62, 31954384), (74, 26772592), (77, 25729504), (88, 22513316), (112, 17689034), (124, 15977192), (148, 13386296), (154, 12864752), (176, 11256658), (217, 9129824), (224, 8844517), (248, 7988596), (259, 7649312), (296, 6693148), (308, 6432376), (341, 5809888), (352, 5628329), (407, 4867744), (434, 4564912), (496, 3994298), (518, 3824656), (592, 3346574), (616, 3216188), (682, 2904944), (701, 2826208), (814, 2433872), (868, 2282456), (992, 1997149), (1036, 1912328), (1147, 1727264), (1184, 1673287), (1232, 1608094), (1364, 1452472), (1402, 1413104), (1628, 1216936), (1736, 1141228), (2072, 956164), (2294, 863632), (2387, 829984), (2464, 804047), (2728, 726236), (2804, 706552), (2849, 695392), (3256, 608468), (3472, 570614), (4144, 478082), (4588, 431816), (4774, 414992), (4907, 403744), (5456, 363118), (5608, 353276), (5698, 347696), (6512, 304234), (6944, 285307), (7711, 256928), (8029, 246752), (8288, 239041), (9176, 215908), (9548, 207496), (9814, 201872), (10912, 181559), (11216, 176638), (11396, 173848), (12617, 157024), (13024, 152117), (15422, 128464), (16058, 123376), (18352, 107954), (19096, 103748), (19628, 100936), (21731, 91168), (22432, 88319), (22792, 86924), (25234, 78512), (25937, 76384), (30844, 64232), (32116, 61688), (36704, 53977), (38192, 51874), (39256, 50468), (43462, 45584)]