81045978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 176769216

約数和(自身を除く): 95723238

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 257, 311, 338, 507, 514, 622, 771, 933, 1014, 1542, 1866, 3341, 4043, 6682, 8086, 10023, 12129, 20046, 24258, 43433, 52559, 79927, 86866, 105118, 130299, 157677, 159854, 239781, 260598, 315354, 479562, 1039051, 2078102, 3117153, 6234306, 13507663, 27015326, 40522989, 81045978]

約数ペア:

[(1, 81045978), (2, 40522989), (3, 27015326), (6, 13507663), (13, 6234306), (26, 3117153), (39, 2078102), (78, 1039051), (169, 479562), (257, 315354), (311, 260598), (338, 239781), (507, 159854), (514, 157677), (622, 130299), (771, 105118), (933, 86866), (1014, 79927), (1542, 52559), (1866, 43433), (3341, 24258), (4043, 20046), (6682, 12129), (8086, 10023)]