81611291

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 87816960

約数和(自身を除く): 6205669

約数列:

[1, 23, 43, 179, 461, 989, 4117, 7697, 10603, 19823, 82519, 177031, 455929, 1897937, 3548317, 81611291]

約数ペア:

[(1, 81611291), (23, 3548317), (43, 1897937), (179, 455929), (461, 177031), (989, 82519), (4117, 19823), (7697, 10603)]