81678016

素因数分解:

$2^6\times 7^1\times {\mathrm{337}}^1\times {\mathrm{541}}^1$

素因数の和:897

約数の個数: 56

約数和(自身を含む): 186127136

約数和(自身を除く): 104449120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 337, 448, 541, 674, 1082, 1348, 2164, 2359, 2696, 3787, 4328, 4718, 5392, 7574, 8656, 9436, 10784, 15148, 17312, 18872, 21568, 30296, 34624, 37744, 60592, 75488, 121184, 150976, 182317, 242368, 364634, 729268, 1276219, 1458536, 2552438, 2917072, 5104876, 5834144, 10209752, 11668288, 20419504, 40839008, 81678016]

約数ペア:

[(1, 81678016), (2, 40839008), (4, 20419504), (7, 11668288), (8, 10209752), (14, 5834144), (16, 5104876), (28, 2917072), (32, 2552438), (56, 1458536), (64, 1276219), (112, 729268), (224, 364634), (337, 242368), (448, 182317), (541, 150976), (674, 121184), (1082, 75488), (1348, 60592), (2164, 37744), (2359, 34624), (2696, 30296), (3787, 21568), (4328, 18872), (4718, 17312), (5392, 15148), (7574, 10784), (8656, 9436)]