12991496

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1669}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 28056000

約数和(自身を除く): 15064504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1669, 1946, 3338, 3892, 6676, 7784, 11683, 13352, 23366, 46732, 93464, 231991, 463982, 927964, 1623937, 1855928, 3247874, 6495748, 12991496]

約数ペア:

[(1, 12991496), (2, 6495748), (4, 3247874), (7, 1855928), (8, 1623937), (14, 927964), (28, 463982), (56, 231991), (139, 93464), (278, 46732), (556, 23366), (973, 13352), (1112, 11683), (1669, 7784), (1946, 6676), (3338, 3892)]