128567936

素因数分解:

$2^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 310210560

約数和(自身を除く): 181642624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 47, 56, 64, 71, 86, 94, 112, 128, 142, 172, 188, 224, 284, 301, 329, 344, 376, 448, 497, 568, 602, 658, 688, 752, 896, 994, 1136, 1204, 1316, 1376, 1504, 1988, 2021, 2272, 2408, 2632, 2752, 3008, 3053, 3337, 3976, 4042, 4544, 4816, 5264, 5504, 6016, 6106, 6674, 7952, 8084, 9088, 9632, 10528, 12212, 13348, 14147, 15904, 16168, 19264, 21056, 21371, 23359, 24424, 26696, 28294, 31808, 32336, 38528, 42112, 42742, 46718, 48848, 53392, 56588, 63616, 64672, 85484, 93436, 97696, 106784, 113176, 129344, 143491, 170968, 186872, 195392, 213568, 226352, 258688, 286982, 341936, 373744, 390784, 427136, 452704, 573964, 683872, 747488, 905408, 1004437, 1147928, 1367744, 1494976, 1810816, 2008874, 2295856, 2735488, 2989952, 4017748, 4591712, 8035496, 9183424, 16070992, 18366848, 32141984, 64283968, 128567936]

約数ペア:

[(1, 128567936), (2, 64283968), (4, 32141984), (7, 18366848), (8, 16070992), (14, 9183424), (16, 8035496), (28, 4591712), (32, 4017748), (43, 2989952), (47, 2735488), (56, 2295856), (64, 2008874), (71, 1810816), (86, 1494976), (94, 1367744), (112, 1147928), (128, 1004437), (142, 905408), (172, 747488), (188, 683872), (224, 573964), (284, 452704), (301, 427136), (329, 390784), (344, 373744), (376, 341936), (448, 286982), (497, 258688), (568, 226352), (602, 213568), (658, 195392), (688, 186872), (752, 170968), (896, 143491), (994, 129344), (1136, 113176), (1204, 106784), (1316, 97696), (1376, 93436), (1504, 85484), (1988, 64672), (2021, 63616), (2272, 56588), (2408, 53392), (2632, 48848), (2752, 46718), (3008, 42742), (3053, 42112), (3337, 38528), (3976, 32336), (4042, 31808), (4544, 28294), (4816, 26696), (5264, 24424), (5504, 23359), (6016, 21371), (6106, 21056), (6674, 19264), (7952, 16168), (8084, 15904), (9088, 14147), (9632, 13348), (10528, 12212)]