81878314

素因数分解:

$2^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{3083}}^1$

素因数の和:3370

約数の個数: 24

約数和(自身を含む): 143443008

約数和(自身を除く): 61564694

約数列:

[1, 2, 7, 14, 49, 98, 271, 542, 1897, 3083, 3794, 6166, 13279, 21581, 26558, 43162, 151067, 302134, 835493, 1670986, 5848451, 11696902, 40939157, 81878314]

約数ペア:

[(1, 81878314), (2, 40939157), (7, 11696902), (14, 5848451), (49, 1670986), (98, 835493), (271, 302134), (542, 151067), (1897, 43162), (3083, 26558), (3794, 21581), (6166, 13279)]