173840836

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{257161}}^1$

素因数の和:257191

約数の個数: 18

約数和(自身を含む): 329424522

約数和(自身を除く): 155583686

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 257161, 514322, 1028644, 3343093, 6686186, 13372372, 43460209, 86920418, 173840836]

約数ペア:

[(1, 173840836), (2, 86920418), (4, 43460209), (13, 13372372), (26, 6686186), (52, 3343093), (169, 1028644), (338, 514322), (676, 257161)]