131263517

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 170655744

約数和(自身を除く): 39392227

約数列:

[1, 7, 11, 31, 77, 127, 217, 341, 433, 889, 1397, 2387, 3031, 3937, 4763, 9779, 13423, 27559, 33341, 43307, 54991, 93961, 147653, 303149, 384937, 604901, 1033571, 1704721, 4234307, 11933047, 18751931, 131263517]

約数ペア:

[(1, 131263517), (7, 18751931), (11, 11933047), (31, 4234307), (77, 1704721), (127, 1033571), (217, 604901), (341, 384937), (433, 303149), (889, 147653), (1397, 93961), (2387, 54991), (3031, 43307), (3937, 33341), (4763, 27559), (9779, 13423)]