1680491113

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{30431}}^1$

素因数の和:30482

約数の個数: 20

約数和(自身を含む): 2045760768

約数和(自身を除く): 365269655

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2401, 7889, 30431, 55223, 213017, 699913, 1491119, 4899391, 10437833, 34295737, 73064831, 240070159, 1680491113]

約数ペア:

[(1, 1680491113), (7, 240070159), (23, 73064831), (49, 34295737), (161, 10437833), (343, 4899391), (1127, 1491119), (2401, 699913), (7889, 213017), (30431, 55223)]