261644878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{27091}}^1$

素因数の和:27543

約数の個数: 16

約数和(自身を含む): 429137280

約数和(自身を除く): 167492402

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 27091, 54182, 298001, 596002, 11892949, 23785898, 130822439, 261644878]

約数ペア:

[(1, 261644878), (2, 130822439), (11, 23785898), (22, 11892949), (439, 596002), (878, 298001), (4829, 54182), (9658, 27091)]