1987423536

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{43}}^2\times {\mathrm{457}}^1$

素因数の和:568

約数の個数: 180

約数和(自身を含む): 6127913592

約数和(自身を除く): 4140490056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 49, 56, 84, 86, 98, 112, 129, 147, 168, 172, 196, 258, 294, 301, 336, 344, 392, 457, 516, 588, 602, 688, 784, 903, 914, 1032, 1176, 1204, 1371, 1806, 1828, 1849, 2064, 2107, 2352, 2408, 2742, 3199, 3612, 3656, 3698, 4214, 4816, 5484, 5547, 6321, 6398, 7224, 7312, 7396, 8428, 9597, 10968, 11094, 12642, 12796, 12943, 14448, 14792, 16856, 19194, 19651, 21936, 22188, 22393, 25284, 25592, 25886, 29584, 33712, 38388, 38829, 39302, 44376, 44786, 50568, 51184, 51772, 58953, 67179, 76776, 77658, 78604, 88752, 89572, 90601, 101136, 103544, 117906, 134358, 137557, 153552, 155316, 157208, 179144, 181202, 207088, 235812, 268716, 271803, 275114, 310632, 314416, 358288, 362404, 412671, 471624, 537432, 543606, 550228, 621264, 724808, 825342, 844993, 943248, 962899, 1074864, 1087212, 1100456, 1449616, 1650684, 1689986, 1925798, 2174424, 2200912, 2534979, 2888697, 3301368, 3379972, 3851596, 4348848, 5069958, 5777394, 5914951, 6602736, 6759944, 7703192, 10139916, 11554788, 11829902, 13519888, 15406384, 17744853, 20279832, 23109576, 23659804, 35489706, 40559664, 41404657, 46219152, 47319608, 70979412, 82809314, 94639216, 124213971, 141958824, 165618628, 248427942, 283917648, 331237256, 496855884, 662474512, 993711768, 1987423536]

約数ペア:

[(1, 1987423536), (2, 993711768), (3, 662474512), (4, 496855884), (6, 331237256), (7, 283917648), (8, 248427942), (12, 165618628), (14, 141958824), (16, 124213971), (21, 94639216), (24, 82809314), (28, 70979412), (42, 47319608), (43, 46219152), (48, 41404657), (49, 40559664), (56, 35489706), (84, 23659804), (86, 23109576), (98, 20279832), (112, 17744853), (129, 15406384), (147, 13519888), (168, 11829902), (172, 11554788), (196, 10139916), (258, 7703192), (294, 6759944), (301, 6602736), (336, 5914951), (344, 5777394), (392, 5069958), (457, 4348848), (516, 3851596), (588, 3379972), (602, 3301368), (688, 2888697), (784, 2534979), (903, 2200912), (914, 2174424), (1032, 1925798), (1176, 1689986), (1204, 1650684), (1371, 1449616), (1806, 1100456), (1828, 1087212), (1849, 1074864), (2064, 962899), (2107, 943248), (2352, 844993), (2408, 825342), (2742, 724808), (3199, 621264), (3612, 550228), (3656, 543606), (3698, 537432), (4214, 471624), (4816, 412671), (5484, 362404), (5547, 358288), (6321, 314416), (6398, 310632), (7224, 275114), (7312, 271803), (7396, 268716), (8428, 235812), (9597, 207088), (10968, 181202), (11094, 179144), (12642, 157208), (12796, 155316), (12943, 153552), (14448, 137557), (14792, 134358), (16856, 117906), (19194, 103544), (19651, 101136), (21936, 90601), (22188, 89572), (22393, 88752), (25284, 78604), (25592, 77658), (25886, 76776), (29584, 67179), (33712, 58953), (38388, 51772), (38829, 51184), (39302, 50568), (44376, 44786)]