31489804

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 56857248

約数和(自身を除く): 25367444

約数列:

[1, 2, 4, 41, 82, 157, 164, 314, 628, 1223, 2446, 4892, 6437, 12874, 25748, 50143, 100286, 192011, 200572, 384022, 768044, 7872451, 15744902, 31489804]

約数ペア:

[(1, 31489804), (2, 15744902), (4, 7872451), (41, 768044), (82, 384022), (157, 200572), (164, 192011), (314, 100286), (628, 50143), (1223, 25748), (2446, 12874), (4892, 6437)]