28369033

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19391}}^1$

素因数の和:19428

約数の個数: 16

約数和(自身を含む): 37232640

約数和(自身を除く): 8863607

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 19391, 135737, 213301, 368429, 1493107, 2579003, 4052719, 28369033]

約数ペア:

[(1, 28369033), (7, 4052719), (11, 2579003), (19, 1493107), (77, 368429), (133, 213301), (209, 135737), (1463, 19391)]