388289167

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 462436128

約数和(自身を除く): 74146961

約数列:

[1, 7, 31, 197, 217, 293, 961, 1379, 2051, 6107, 6727, 9083, 42749, 57721, 63581, 189317, 281573, 404047, 1325219, 1789351, 1971011, 12525457, 55469881, 388289167]

約数ペア:

[(1, 388289167), (7, 55469881), (31, 12525457), (197, 1971011), (217, 1789351), (293, 1325219), (961, 404047), (1379, 281573), (2051, 189317), (6107, 63581), (6727, 57721), (9083, 42749)]