317471

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 24

約数和(自身を含む): 437760

約数和(自身を除く): 120289

約数列:

[1, 7, 11, 19, 31, 49, 77, 133, 209, 217, 341, 539, 589, 931, 1463, 1519, 2387, 4123, 6479, 10241, 16709, 28861, 45353, 317471]

約数ペア:

[(1, 317471), (7, 45353), (11, 28861), (19, 16709), (31, 10241), (49, 6479), (77, 4123), (133, 2387), (209, 1519), (217, 1463), (341, 931), (539, 589)]