1286131394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{80777}}^1$

素因数の和:81217

約数の個数: 16

約数和(自身を含む): 2035605600

約数和(自身を除く): 749474206

約数列:

[1, 2, 19, 38, 419, 838, 7961, 15922, 80777, 161554, 1534763, 3069526, 33845563, 67691126, 643065697, 1286131394]

約数ペア:

[(1, 1286131394), (2, 643065697), (19, 67691126), (38, 33845563), (419, 3069526), (838, 1534763), (7961, 161554), (15922, 80777)]