28087276

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9739}}^1$

素因数の和:9853

約数の個数: 24

約数和(自身を含む): 56725760

約数和(自身を除く): 28638484

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 9739, 19478, 38956, 68173, 136346, 272692, 1003117, 2006234, 4012468, 7021819, 14043638, 28087276]

約数ペア:

[(1, 28087276), (2, 14043638), (4, 7021819), (7, 4012468), (14, 2006234), (28, 1003117), (103, 272692), (206, 136346), (412, 68173), (721, 38956), (1442, 19478), (2884, 9739)]