28106529

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1949}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 16821471

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 1949, 4807, 5847, 14421, 21439, 37031, 44827, 64317, 111093, 134481, 407341, 493097, 851713, 1222023, 1479291, 2555139, 9368843, 28106529]

約数ペア:

[(1, 28106529), (3, 9368843), (11, 2555139), (19, 1479291), (23, 1222023), (33, 851713), (57, 493097), (69, 407341), (209, 134481), (253, 111093), (437, 64317), (627, 44827), (759, 37031), (1311, 21439), (1949, 14421), (4807, 5847)]