81239866

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{1523}}^1$

素因数の和:1853

約数の個数: 16

約数和(自身を含む): 123444000

約数和(自身を除く): 42204134

約数列:

[1, 2, 149, 179, 298, 358, 1523, 3046, 26671, 53342, 226927, 272617, 453854, 545234, 40619933, 81239866]

約数ペア:

[(1, 81239866), (2, 40619933), (149, 545234), (179, 453854), (298, 272617), (358, 226927), (1523, 53342), (3046, 26671)]