138319489

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{57947}}^1$

素因数の和:57996

約数の個数: 16

約数和(自身を含む): 178016256

約数和(自身を除く): 39696767

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 57947, 405629, 637417, 1796357, 4461919, 12574499, 19759927, 138319489]

約数ペア:

[(1, 138319489), (7, 19759927), (11, 12574499), (31, 4461919), (77, 1796357), (217, 637417), (341, 405629), (2387, 57947)]