28869379

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2819}}^1$

素因数の和:2863

約数の個数: 24

約数和(自身を含む): 38577600

約数和(自身を除く): 9708221

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 2819, 10241, 19733, 31009, 53561, 138131, 217063, 374927, 589171, 1519441, 2624489, 4124197, 28869379]

約数ペア:

[(1, 28869379), (7, 4124197), (11, 2624489), (19, 1519441), (49, 589171), (77, 374927), (133, 217063), (209, 138131), (539, 53561), (931, 31009), (1463, 19733), (2819, 10241)]