28240213

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 32664800

約数和(自身を除く): 4424587

約数列:

[1, 17, 19, 37, 139, 289, 323, 629, 703, 2363, 2641, 5143, 5491, 10693, 11951, 40171, 44897, 87431, 97717, 203167, 763249, 1486327, 1661189, 28240213]

約数ペア:

[(1, 28240213), (17, 1661189), (19, 1486327), (37, 763249), (139, 203167), (289, 97717), (323, 87431), (629, 44897), (703, 40171), (2363, 11951), (2641, 10693), (5143, 5491)]