51090416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245627}}^1$

素因数の和:245648

約数の個数: 20

約数和(自身を含む): 106602552

約数和(自身を除く): 55512136

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245627, 491254, 982508, 1965016, 3193151, 3930032, 6386302, 12772604, 25545208, 51090416]

約数ペア:

[(1, 51090416), (2, 25545208), (4, 12772604), (8, 6386302), (13, 3930032), (16, 3193151), (26, 1965016), (52, 982508), (104, 491254), (208, 245627)]