28639226

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 56339712

約数和(自身を除く): 27700486

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 154, 217, 341, 434, 539, 682, 857, 1078, 1519, 1714, 2387, 3038, 4774, 5999, 9427, 11998, 16709, 18854, 26567, 33418, 41993, 53134, 65989, 83986, 131978, 185969, 292237, 371938, 461923, 584474, 923846, 1301783, 2045659, 2603566, 4091318, 14319613, 28639226]

約数ペア:

[(1, 28639226), (2, 14319613), (7, 4091318), (11, 2603566), (14, 2045659), (22, 1301783), (31, 923846), (49, 584474), (62, 461923), (77, 371938), (98, 292237), (154, 185969), (217, 131978), (341, 83986), (434, 65989), (539, 53134), (682, 41993), (857, 33418), (1078, 26567), (1519, 18854), (1714, 16709), (2387, 11998), (3038, 9427), (4774, 5999)]