31380084

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{6271}}^1$

素因数の和:6420

約数の個数: 36

約数和(自身を含む): 79905280

約数和(自身を除く): 48525196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 6271, 12542, 18813, 25084, 37626, 56439, 75252, 112878, 225756, 871669, 1743338, 2615007, 3486676, 5230014, 7845021, 10460028, 15690042, 31380084]

約数ペア:

[(1, 31380084), (2, 15690042), (3, 10460028), (4, 7845021), (6, 5230014), (9, 3486676), (12, 2615007), (18, 1743338), (36, 871669), (139, 225756), (278, 112878), (417, 75252), (556, 56439), (834, 37626), (1251, 25084), (1668, 18813), (2502, 12542), (5004, 6271)]