156774128

素因数分解:

$2^4\times 7^2\times {\mathrm{199967}}^1$

素因数の和:199989

約数の個数: 30

約数和(自身を含む): 353343456

約数和(自身を除く): 196569328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 199967, 399934, 799868, 1399769, 1599736, 2799538, 3199472, 5599076, 9798383, 11198152, 19596766, 22396304, 39193532, 78387064, 156774128]

約数ペア:

[(1, 156774128), (2, 78387064), (4, 39193532), (7, 22396304), (8, 19596766), (14, 11198152), (16, 9798383), (28, 5599076), (49, 3199472), (56, 2799538), (98, 1599736), (112, 1399769), (196, 799868), (392, 399934), (784, 199967)]