28521728

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2650

約数の個数: 36

約数和(自身を含む): 58278528

約数和(自身を除く): 29756800

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 2591, 2752, 5182, 5504, 10364, 11008, 20728, 41456, 82912, 111413, 165824, 222826, 331648, 445652, 663296, 891304, 1782608, 3565216, 7130432, 14260864, 28521728]

約数ペア:

[(1, 28521728), (2, 14260864), (4, 7130432), (8, 3565216), (16, 1782608), (32, 891304), (43, 663296), (64, 445652), (86, 331648), (128, 222826), (172, 165824), (256, 111413), (344, 82912), (688, 41456), (1376, 20728), (2591, 11008), (2752, 10364), (5182, 5504)]