668868

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 1575840

約数和(自身を除く): 906972

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 401, 417, 556, 802, 834, 1203, 1604, 1668, 2406, 4812, 55739, 111478, 167217, 222956, 334434, 668868]

約数ペア:

[(1, 668868), (2, 334434), (3, 222956), (4, 167217), (6, 111478), (12, 55739), (139, 4812), (278, 2406), (401, 1668), (417, 1604), (556, 1203), (802, 834)]