1280147666

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{27061}}^1$

素因数の和:27210

約数の個数: 32

約数和(自身を含む): 2286197760

約数和(自身を除く): 1006050094

約数列:

[1, 2, 7, 14, 31, 62, 109, 217, 218, 434, 763, 1526, 3379, 6758, 23653, 27061, 47306, 54122, 189427, 378854, 838891, 1677782, 2949649, 5872237, 5899298, 11744474, 20647543, 41295086, 91439119, 182878238, 640073833, 1280147666]

約数ペア:

[(1, 1280147666), (2, 640073833), (7, 182878238), (14, 91439119), (31, 41295086), (62, 20647543), (109, 11744474), (217, 5899298), (218, 5872237), (434, 2949649), (763, 1677782), (1526, 838891), (3379, 378854), (6758, 189427), (23653, 54122), (27061, 47306)]