9780988

素因数分解:

$2^2\times 7^3\times {\mathrm{7129}}^1$

素因数の和:7154

約数の個数: 24

約数和(自身を含む): 19964000

約数和(自身を除く): 10183012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 7129, 14258, 28516, 49903, 99806, 199612, 349321, 698642, 1397284, 2445247, 4890494, 9780988]

約数ペア:

[(1, 9780988), (2, 4890494), (4, 2445247), (7, 1397284), (14, 698642), (28, 349321), (49, 199612), (98, 99806), (196, 49903), (343, 28516), (686, 14258), (1372, 7129)]