138978889

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1\times {\mathrm{709}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 163175040

約数和(自身を除く): 24196151

約数列:

[1, 7, 41, 287, 683, 709, 4781, 4963, 28003, 29069, 196021, 203483, 484247, 3389729, 19854127, 138978889]

約数ペア:

[(1, 138978889), (7, 19854127), (41, 3389729), (287, 484247), (683, 203483), (709, 196021), (4781, 29069), (4963, 28003)]