81689185

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1\times {\mathrm{733}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 101468160

約数和(自身を除く): 19778975

約数列:

[1, 5, 31, 155, 719, 733, 3595, 3665, 22289, 22723, 111445, 113615, 527027, 2635135, 16337837, 81689185]

約数ペア:

[(1, 81689185), (5, 16337837), (31, 2635135), (155, 527027), (719, 113615), (733, 111445), (3595, 22723), (3665, 22289)]