128942506

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{977}}^1$

素因数の和:1854

約数の個数: 32

約数和(自身を含む): 241667712

約数和(自身を除く): 112725206

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 857, 977, 1714, 1954, 5999, 6839, 9427, 10747, 11998, 13678, 18854, 21494, 65989, 75229, 131978, 150458, 837289, 1674578, 5861023, 9210179, 11722046, 18420358, 64471253, 128942506]

約数ペア:

[(1, 128942506), (2, 64471253), (7, 18420358), (11, 11722046), (14, 9210179), (22, 5861023), (77, 1674578), (154, 837289), (857, 150458), (977, 131978), (1714, 75229), (1954, 65989), (5999, 21494), (6839, 18854), (9427, 13678), (10747, 11998)]