40986868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{788209}}^1$

素因数の和:788226

約数の個数: 12

約数和(自身を含む): 77244580

約数和(自身を除く): 36257712

約数列:

[1, 2, 4, 13, 26, 52, 788209, 1576418, 3152836, 10246717, 20493434, 40986868]

約数ペア:

[(1, 40986868), (2, 20493434), (4, 10246717), (13, 3152836), (26, 1576418), (52, 788209)]