28187222

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{105967}}^1$

素因数の和:105995

約数の個数: 16

約数和(自身を含む): 50864640

約数和(自身を除く): 22677418

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 105967, 211934, 741769, 1483538, 2013373, 4026746, 14093611, 28187222]

約数ペア:

[(1, 28187222), (2, 14093611), (7, 4026746), (14, 2013373), (19, 1483538), (38, 741769), (133, 211934), (266, 105967)]