28991172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{345133}}^1$

素因数の和:345147

約数の個数: 24

約数和(自身を含む): 77310016

約数和(自身を除く): 48318844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 345133, 690266, 1035399, 1380532, 2070798, 2415931, 4141596, 4831862, 7247793, 9663724, 14495586, 28991172]

約数ペア:

[(1, 28991172), (2, 14495586), (3, 9663724), (4, 7247793), (6, 4831862), (7, 4141596), (12, 2415931), (14, 2070798), (21, 1380532), (28, 1035399), (42, 690266), (84, 345133)]