81425864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{782941}}^1$

素因数の和:782960

約数の個数: 16

約数和(自身を含む): 164417820

約数和(自身を除く): 82991956

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 782941, 1565882, 3131764, 6263528, 10178233, 20356466, 40712932, 81425864]

約数ペア:

[(1, 81425864), (2, 40712932), (4, 20356466), (8, 10178233), (13, 6263528), (26, 3131764), (52, 1565882), (104, 782941)]