26978504

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1999}}^1$

素因数の和:2253

約数の個数: 32

約数和(自身を含む): 58080000

約数和(自身を除く): 31101496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1687, 1928, 1999, 3374, 3998, 6748, 7996, 13496, 13993, 15992, 27986, 55972, 111944, 481759, 963518, 1927036, 3372313, 3854072, 6744626, 13489252, 26978504]

約数ペア:

[(1, 26978504), (2, 13489252), (4, 6744626), (7, 3854072), (8, 3372313), (14, 1927036), (28, 963518), (56, 481759), (241, 111944), (482, 55972), (964, 27986), (1687, 15992), (1928, 13993), (1999, 13496), (3374, 7996), (3998, 6748)]