81691222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{126457}}^1$

素因数の和:126495

約数の個数: 16

約数和(自身を含む): 136574640

約数和(自身を除く): 54883418

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 126457, 252914, 2149769, 2402683, 4299538, 4805366, 40845611, 81691222]

約数ペア:

[(1, 81691222), (2, 40845611), (17, 4805366), (19, 4299538), (34, 2402683), (38, 2149769), (323, 252914), (646, 126457)]