11978456

素因数分解:

$2^3\times 7^1\times {\mathrm{213901}}^1$

素因数の和:213914

約数の個数: 16

約数和(自身を含む): 25668240

約数和(自身を除く): 13689784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 213901, 427802, 855604, 1497307, 1711208, 2994614, 5989228, 11978456]

約数ペア:

[(1, 11978456), (2, 5989228), (4, 2994614), (7, 1711208), (8, 1497307), (14, 855604), (28, 427802), (56, 213901)]