661036592

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{960809}}^1$

素因数の和:960860

約数の個数: 20

約数和(自身を含む): 1310544840

約数和(自身を除く): 649508248

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 960809, 1921618, 3843236, 7686472, 15372944, 41314787, 82629574, 165259148, 330518296, 661036592]

約数ペア:

[(1, 661036592), (2, 330518296), (4, 165259148), (8, 82629574), (16, 41314787), (43, 15372944), (86, 7686472), (172, 3843236), (344, 1921618), (688, 960809)]