489017837

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 620815104

約数和(自身を除く): 131797267

約数列:

[1, 7, 11, 77, 97, 233, 281, 679, 1067, 1631, 1967, 2563, 3091, 7469, 17941, 21637, 22601, 27257, 65473, 158207, 190799, 248611, 299827, 458311, 720203, 1740277, 2098789, 5041421, 6350881, 44456167, 69859691, 489017837]

約数ペア:

[(1, 489017837), (7, 69859691), (11, 44456167), (77, 6350881), (97, 5041421), (233, 2098789), (281, 1740277), (679, 720203), (1067, 458311), (1631, 299827), (1967, 248611), (2563, 190799), (3091, 158207), (7469, 65473), (17941, 27257), (21637, 22601)]