28160836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{640019}}^1$

素因数の和:640034

約数の個数: 12

約数和(自身を含む): 53761680

約数和(自身を除く): 25600844

約数列:

[1, 2, 4, 11, 22, 44, 640019, 1280038, 2560076, 7040209, 14080418, 28160836]

約数ペア:

[(1, 28160836), (2, 14080418), (4, 7040209), (11, 2560076), (22, 1280038), (44, 640019)]