121254352

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{398863}}^1$

素因数の和:398890

約数の個数: 20

約数和(自身を含む): 247295680

約数和(自身を除く): 126041328

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 398863, 797726, 1595452, 3190904, 6381808, 7578397, 15156794, 30313588, 60627176, 121254352]

約数ペア:

[(1, 121254352), (2, 60627176), (4, 30313588), (8, 15156794), (16, 7578397), (19, 6381808), (38, 3190904), (76, 1595452), (152, 797726), (304, 398863)]