520664809

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 650280960

約数和(自身を除く): 129616151

約数列:

[1, 7, 19, 31, 133, 217, 293, 431, 589, 2051, 3017, 4123, 5567, 8189, 9083, 13361, 38969, 57323, 63581, 93527, 126283, 172577, 253859, 883981, 1208039, 1777013, 2399377, 3914773, 16795639, 27403411, 74380687, 520664809]

約数ペア:

[(1, 520664809), (7, 74380687), (19, 27403411), (31, 16795639), (133, 3914773), (217, 2399377), (293, 1777013), (431, 1208039), (589, 883981), (2051, 253859), (3017, 172577), (4123, 126283), (5567, 93527), (8189, 63581), (9083, 57323), (13361, 38969)]