1981864192

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 216

約数和(自身を含む): 5133808512

約数和(自身を除く): 3151944320

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 53, 56, 64, 77, 88, 98, 106, 112, 128, 154, 176, 196, 212, 224, 256, 271, 308, 352, 371, 392, 424, 448, 539, 542, 583, 616, 704, 742, 784, 848, 896, 1078, 1084, 1166, 1232, 1408, 1484, 1568, 1696, 1792, 1897, 2156, 2168, 2332, 2464, 2597, 2816, 2968, 2981, 3136, 3392, 3794, 4081, 4312, 4336, 4664, 4928, 5194, 5936, 5962, 6272, 6784, 7588, 8162, 8624, 8672, 9328, 9856, 10388, 11872, 11924, 12544, 13279, 13568, 14363, 15176, 16324, 17248, 17344, 18656, 19712, 20776, 20867, 23744, 23848, 26558, 28567, 28726, 30352, 32648, 34496, 34688, 37312, 41552, 41734, 47488, 47696, 53116, 57134, 57452, 60704, 65296, 68992, 69376, 74624, 83104, 83468, 94976, 95392, 100541, 106232, 114268, 114904, 121408, 130592, 137984, 146069, 149248, 157993, 166208, 166936, 190784, 201082, 212464, 228536, 229808, 242816, 261184, 292138, 315986, 332416, 333872, 381568, 402164, 424928, 457072, 459616, 485632, 522368, 584276, 631972, 664832, 667744, 703787, 763136, 804328, 849856, 914144, 919232, 1044736, 1105951, 1168552, 1263944, 1335488, 1407574, 1608656, 1699712, 1828288, 1838464, 2211902, 2337104, 2527888, 2670976, 2815148, 3217312, 3399424, 3656576, 3676928, 4423804, 4674208, 5055776, 5341952, 5630296, 6434624, 7313152, 7741657, 8847608, 9348416, 10111552, 11260592, 12869248, 15483314, 17695216, 18696832, 20223104, 22521184, 25738496, 30966628, 35390432, 37393664, 40446208, 45042368, 61933256, 70780864, 90084736, 123866512, 141561728, 180169472, 247733024, 283123456, 495466048, 990932096, 1981864192]

約数ペア:

[(1, 1981864192), (2, 990932096), (4, 495466048), (7, 283123456), (8, 247733024), (11, 180169472), (14, 141561728), (16, 123866512), (22, 90084736), (28, 70780864), (32, 61933256), (44, 45042368), (49, 40446208), (53, 37393664), (56, 35390432), (64, 30966628), (77, 25738496), (88, 22521184), (98, 20223104), (106, 18696832), (112, 17695216), (128, 15483314), (154, 12869248), (176, 11260592), (196, 10111552), (212, 9348416), (224, 8847608), (256, 7741657), (271, 7313152), (308, 6434624), (352, 5630296), (371, 5341952), (392, 5055776), (424, 4674208), (448, 4423804), (539, 3676928), (542, 3656576), (583, 3399424), (616, 3217312), (704, 2815148), (742, 2670976), (784, 2527888), (848, 2337104), (896, 2211902), (1078, 1838464), (1084, 1828288), (1166, 1699712), (1232, 1608656), (1408, 1407574), (1484, 1335488), (1568, 1263944), (1696, 1168552), (1792, 1105951), (1897, 1044736), (2156, 919232), (2168, 914144), (2332, 849856), (2464, 804328), (2597, 763136), (2816, 703787), (2968, 667744), (2981, 664832), (3136, 631972), (3392, 584276), (3794, 522368), (4081, 485632), (4312, 459616), (4336, 457072), (4664, 424928), (4928, 402164), (5194, 381568), (5936, 333872), (5962, 332416), (6272, 315986), (6784, 292138), (7588, 261184), (8162, 242816), (8624, 229808), (8672, 228536), (9328, 212464), (9856, 201082), (10388, 190784), (11872, 166936), (11924, 166208), (12544, 157993), (13279, 149248), (13568, 146069), (14363, 137984), (15176, 130592), (16324, 121408), (17248, 114904), (17344, 114268), (18656, 106232), (19712, 100541), (20776, 95392), (20867, 94976), (23744, 83468), (23848, 83104), (26558, 74624), (28567, 69376), (28726, 68992), (30352, 65296), (32648, 60704), (34496, 57452), (34688, 57134), (37312, 53116), (41552, 47696), (41734, 47488)]