197720378

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{24971}}^1$

素因数の和:25117

約数の個数: 16

約数和(自身を含む): 307455264

約数和(自身を除く): 109734886

約数列:

[1, 2, 37, 74, 107, 214, 3959, 7918, 24971, 49942, 923927, 1847854, 2671897, 5343794, 98860189, 197720378]

約数ペア:

[(1, 197720378), (2, 98860189), (37, 5343794), (74, 2671897), (107, 1847854), (214, 923927), (3959, 49942), (7918, 24971)]