81494286

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{353}}^2$

素因数の和:820

約数の個数: 24

約数和(自身を含む): 164951160

約数和(自身を除く): 83456874

約数列:

[1, 2, 3, 6, 109, 218, 327, 353, 654, 706, 1059, 2118, 38477, 76954, 115431, 124609, 230862, 249218, 373827, 747654, 13582381, 27164762, 40747143, 81494286]

約数ペア:

[(1, 81494286), (2, 40747143), (3, 27164762), (6, 13582381), (109, 747654), (218, 373827), (327, 249218), (353, 230862), (654, 124609), (706, 115431), (1059, 76954), (2118, 38477)]