211989656

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 426117120

約数和(自身を除く): 214127464

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 103, 124, 172, 193, 206, 248, 344, 386, 412, 772, 824, 1333, 1544, 2666, 3193, 4429, 5332, 5983, 6386, 8299, 8858, 10664, 11966, 12772, 16598, 17716, 19879, 23932, 25544, 33196, 35432, 39758, 47864, 66392, 79516, 137299, 159032, 257269, 274598, 514538, 549196, 616249, 854797, 1029076, 1098392, 1232498, 1709594, 2058152, 2464996, 3419188, 4929992, 6838376, 26498707, 52997414, 105994828, 211989656]

約数ペア:

[(1, 211989656), (2, 105994828), (4, 52997414), (8, 26498707), (31, 6838376), (43, 4929992), (62, 3419188), (86, 2464996), (103, 2058152), (124, 1709594), (172, 1232498), (193, 1098392), (206, 1029076), (248, 854797), (344, 616249), (386, 549196), (412, 514538), (772, 274598), (824, 257269), (1333, 159032), (1544, 137299), (2666, 79516), (3193, 66392), (4429, 47864), (5332, 39758), (5983, 35432), (6386, 33196), (8299, 25544), (8858, 23932), (10664, 19879), (11966, 17716), (12772, 16598)]