128637376

素因数分解:

$2^6\times 7^1\times {\mathrm{287137}}^1$

素因数の和:287156

約数の個数: 28

約数和(自身を含む): 291732208

約数和(自身を除く): 163094832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 287137, 574274, 1148548, 2009959, 2297096, 4019918, 4594192, 8039836, 9188384, 16079672, 18376768, 32159344, 64318688, 128637376]

約数ペア:

[(1, 128637376), (2, 64318688), (4, 32159344), (7, 18376768), (8, 16079672), (14, 9188384), (16, 8039836), (28, 4594192), (32, 4019918), (56, 2297096), (64, 2009959), (112, 1148548), (224, 574274), (448, 287137)]