289282021

素因数分解:

$7^1\times {\mathrm{37}}^2\times {\mathrm{30187}}^1$

素因数の和:30268

約数の個数: 12

約数和(自身を含む): 339796128

約数和(自身を除く): 50514107

約数列:

[1, 7, 37, 259, 1369, 9583, 30187, 211309, 1116919, 7818433, 41326003, 289282021]

約数ペア:

[(1, 289282021), (7, 41326003), (37, 7818433), (259, 1116919), (1369, 211309), (9583, 30187)]