399878192

素因数分解:

$2^4\times 7^1\times {\mathrm{3570341}}^1$

素因数の和:3570356

約数の個数: 20

約数和(自身を含む): 885444816

約数和(自身を除く): 485566624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3570341, 7140682, 14281364, 24992387, 28562728, 49984774, 57125456, 99969548, 199939096, 399878192]

約数ペア:

[(1, 399878192), (2, 199939096), (4, 99969548), (7, 57125456), (8, 49984774), (14, 28562728), (16, 24992387), (28, 14281364), (56, 7140682), (112, 3570341)]