81850756

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{121081}}^1$

素因数の和:121111

約数の個数: 18

約数和(自身を含む): 155106042

約数和(自身を除く): 73255286

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 121081, 242162, 484324, 1574053, 3148106, 6296212, 20462689, 40925378, 81850756]

約数ペア:

[(1, 81850756), (2, 40925378), (4, 20462689), (13, 6296212), (26, 3148106), (52, 1574053), (169, 484324), (338, 242162), (676, 121081)]