77761685168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{255795017}}^1$

素因数の和:255795044

約数の個数: 20

約数和(自身を含む): 158592911160

約数和(自身を除く): 80831225992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 255795017, 511590034, 1023180068, 2046360136, 4092720272, 4860105323, 9720210646, 19440421292, 38880842584, 77761685168]

約数ペア:

[(1, 77761685168), (2, 38880842584), (4, 19440421292), (8, 9720210646), (16, 4860105323), (19, 4092720272), (38, 2046360136), (76, 1023180068), (152, 511590034), (304, 255795017)]