261052286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{4493}}^1$

素因数の和:4664

約数の個数: 32

約数和(自身を含む): 452995200

約数和(自身を除く): 191942914

約数列:

[1, 2, 11, 19, 22, 38, 139, 209, 278, 418, 1529, 2641, 3058, 4493, 5282, 8986, 29051, 49423, 58102, 85367, 98846, 170734, 624527, 939037, 1249054, 1878074, 6869797, 11866013, 13739594, 23732026, 130526143, 261052286]

約数ペア:

[(1, 261052286), (2, 130526143), (11, 23732026), (19, 13739594), (22, 11866013), (38, 6869797), (139, 1878074), (209, 1249054), (278, 939037), (418, 624527), (1529, 170734), (2641, 98846), (3058, 85367), (4493, 58102), (5282, 49423), (8986, 29051)]