28405069

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 37914624

約数和(自身を除く): 9509555

約数列:

[1, 7, 11, 23, 43, 77, 161, 253, 301, 373, 473, 989, 1771, 2611, 3311, 4103, 6923, 8579, 10879, 16039, 28721, 60053, 76153, 94369, 112273, 176429, 368897, 660583, 1235003, 2582279, 4057867, 28405069]

約数ペア:

[(1, 28405069), (7, 4057867), (11, 2582279), (23, 1235003), (43, 660583), (77, 368897), (161, 176429), (253, 112273), (301, 94369), (373, 76153), (473, 60053), (989, 28721), (1771, 16039), (2611, 10879), (3311, 8579), (4103, 6923)]