51391184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247073}}^1$

素因数の和:247094

約数の個数: 20

約数和(自身を含む): 107230116

約数和(自身を除く): 55838932

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247073, 494146, 988292, 1976584, 3211949, 3953168, 6423898, 12847796, 25695592, 51391184]

約数ペア:

[(1, 51391184), (2, 25695592), (4, 12847796), (8, 6423898), (13, 3953168), (16, 3211949), (26, 1976584), (52, 988292), (104, 494146), (208, 247073)]