1640890722

素因数分解:

$2^1\times 3^1\times {\mathrm{397}}^1\times {\mathrm{688871}}^1$

素因数の和:689273

約数の個数: 16

約数和(自身を含む): 3290052672

約数和(自身を除く): 1649161950

約数列:

[1, 2, 3, 6, 397, 794, 1191, 2382, 688871, 1377742, 2066613, 4133226, 273481787, 546963574, 820445361, 1640890722]

約数ペア:

[(1, 1640890722), (2, 820445361), (3, 546963574), (6, 273481787), (397, 4133226), (794, 2066613), (1191, 1377742), (2382, 688871)]