66856384

素因数分解:

$2^6\times 7^2\times {\mathrm{21319}}^1$

素因数の和:21345

約数の個数: 42

約数和(自身を含む): 154335480

約数和(自身を除く): 87479096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 21319, 42638, 85276, 149233, 170552, 298466, 341104, 596932, 682208, 1044631, 1193864, 1364416, 2089262, 2387728, 4178524, 4775456, 8357048, 9550912, 16714096, 33428192, 66856384]

約数ペア:

[(1, 66856384), (2, 33428192), (4, 16714096), (7, 9550912), (8, 8357048), (14, 4775456), (16, 4178524), (28, 2387728), (32, 2089262), (49, 1364416), (56, 1193864), (64, 1044631), (98, 682208), (112, 596932), (196, 341104), (224, 298466), (392, 170552), (448, 149233), (784, 85276), (1568, 42638), (3136, 21319)]