81834319

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{733}}^1$

素因数の和:1170

約数の個数: 16

約数和(自身を含む): 96183360

約数和(自身を除く): 14349041

約数列:

[1, 7, 41, 287, 389, 733, 2723, 5131, 15949, 30053, 111643, 210371, 285137, 1995959, 11690617, 81834319]

約数ペア:

[(1, 81834319), (7, 11690617), (41, 1995959), (287, 285137), (389, 210371), (733, 111643), (2723, 30053), (5131, 15949)]