289497887

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{15767}}^1$

素因数の和:15878

約数の個数: 16

約数和(自身を含む): 344120832

約数和(自身を除く): 54622945

約数列:

[1, 7, 43, 61, 301, 427, 2623, 15767, 18361, 110369, 677981, 961787, 4745867, 6732509, 41356841, 289497887]

約数ペア:

[(1, 289497887), (7, 41356841), (43, 6732509), (61, 4745867), (301, 961787), (427, 677981), (2623, 110369), (15767, 18361)]