688889166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{19139}}^1$

素因数の和:20008

約数の個数: 32

約数和(自身を含む): 1576523520

約数和(自身を除く): 887634354

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 857, 1714, 2571, 5142, 5999, 11998, 17997, 19139, 35994, 38278, 57417, 114834, 133973, 267946, 401919, 803838, 16402123, 32804246, 49206369, 98412738, 114814861, 229629722, 344444583, 688889166]

約数ペア:

[(1, 688889166), (2, 344444583), (3, 229629722), (6, 114814861), (7, 98412738), (14, 49206369), (21, 32804246), (42, 16402123), (857, 803838), (1714, 401919), (2571, 267946), (5142, 133973), (5999, 114834), (11998, 57417), (17997, 38278), (19139, 35994)]