81917426

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{7187}}^1$

素因数の和:7369

約数の個数: 16

約数和(自身を含む): 126796320

約数和(自身を除く): 44878894

約数列:

[1, 2, 41, 82, 139, 278, 5699, 7187, 11398, 14374, 294667, 589334, 998993, 1997986, 40958713, 81917426]

約数ペア:

[(1, 81917426), (2, 40958713), (41, 1997986), (82, 998993), (139, 589334), (278, 294667), (5699, 14374), (7187, 11398)]