2171923523

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{420997}}^1$

素因数の和:421082

約数の個数: 16

約数和(自身を含む): 2748274944

約数和(自身を除く): 576351421

約数列:

[1, 7, 11, 67, 77, 469, 737, 5159, 420997, 2946979, 4630967, 28206799, 32416769, 197447593, 310274789, 2171923523]

約数ペア:

[(1, 2171923523), (7, 310274789), (11, 197447593), (67, 32416769), (77, 28206799), (469, 4630967), (737, 2946979), (5159, 420997)]