664306025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{82267}}^1$

素因数の和:82313

約数の個数: 24

約数和(自身を含む): 918110880

約数和(自身を除く): 253804855

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 82267, 411335, 1398539, 1563073, 2056675, 6992695, 7815365, 26572241, 34963475, 39076825, 132861205, 664306025]

約数ペア:

[(1, 664306025), (5, 132861205), (17, 39076825), (19, 34963475), (25, 26572241), (85, 7815365), (95, 6992695), (323, 2056675), (425, 1563073), (475, 1398539), (1615, 411335), (8075, 82267)]