2154779

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 16

約数和(自身を含む): 2488320

約数和(自身を除く): 333541

約数列:

[1, 11, 31, 71, 89, 341, 781, 979, 2201, 2759, 6319, 24211, 30349, 69509, 195889, 2154779]

約数ペア:

[(1, 2154779), (11, 195889), (31, 69509), (71, 30349), (89, 24211), (341, 6319), (781, 2759), (979, 2201)]