81184768

素因数分解:

$2^{11}\times 7^2\times {\mathrm{809}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 189066150

約数和(自身を除く): 107881382

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 809, 896, 1024, 1568, 1618, 1792, 2048, 3136, 3236, 3584, 5663, 6272, 6472, 7168, 11326, 12544, 12944, 14336, 22652, 25088, 25888, 39641, 45304, 50176, 51776, 79282, 90608, 100352, 103552, 158564, 181216, 207104, 317128, 362432, 414208, 634256, 724864, 828416, 1268512, 1449728, 1656832, 2537024, 2899456, 5074048, 5798912, 10148096, 11597824, 20296192, 40592384, 81184768]

約数ペア:

[(1, 81184768), (2, 40592384), (4, 20296192), (7, 11597824), (8, 10148096), (14, 5798912), (16, 5074048), (28, 2899456), (32, 2537024), (49, 1656832), (56, 1449728), (64, 1268512), (98, 828416), (112, 724864), (128, 634256), (196, 414208), (224, 362432), (256, 317128), (392, 207104), (448, 181216), (512, 158564), (784, 103552), (809, 100352), (896, 90608), (1024, 79282), (1568, 51776), (1618, 50176), (1792, 45304), (2048, 39641), (3136, 25888), (3236, 25088), (3584, 22652), (5663, 14336), (6272, 12944), (6472, 12544), (7168, 11326)]