128392768

素因数分解:

$2^6\times 7^1\times {\mathrm{286591}}^1$

素因数の和:286610

約数の個数: 28

約数和(自身を含む): 291177472

約数和(自身を除く): 162784704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 286591, 573182, 1146364, 2006137, 2292728, 4012274, 4585456, 8024548, 9170912, 16049096, 18341824, 32098192, 64196384, 128392768]

約数ペア:

[(1, 128392768), (2, 64196384), (4, 32098192), (7, 18341824), (8, 16049096), (14, 9170912), (16, 8024548), (28, 4585456), (32, 4012274), (56, 2292728), (64, 2006137), (112, 1146364), (224, 573182), (448, 286591)]