31997009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 37138176

約数和(自身を除く): 5141167

約数列:

[1, 11, 17, 187, 397, 431, 4367, 4741, 6749, 7327, 74239, 80597, 171107, 1882177, 2908819, 31997009]

約数ペア:

[(1, 31997009), (11, 2908819), (17, 1882177), (187, 171107), (397, 80597), (431, 74239), (4367, 7327), (4741, 6749)]