17642317

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 23961600

約数和(自身を除く): 6319283

約数列:

[1, 7, 11, 19, 31, 77, 133, 209, 217, 341, 389, 589, 1463, 2387, 2723, 4123, 4279, 6479, 7391, 12059, 29953, 45353, 51737, 81301, 84413, 132649, 229121, 569107, 928543, 1603847, 2520331, 17642317]

約数ペア:

[(1, 17642317), (7, 2520331), (11, 1603847), (19, 928543), (31, 569107), (77, 229121), (133, 132649), (209, 84413), (217, 81301), (341, 51737), (389, 45353), (589, 29953), (1463, 12059), (2387, 7391), (2723, 6479), (4123, 4279)]