31556336

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2027}}^1$

素因数の和:2181

約数の個数: 40

約数和(自身を含む): 70412160

約数和(自身を除く): 38855824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2027, 2224, 3892, 4054, 7784, 8108, 14189, 15568, 16216, 28378, 32432, 56756, 113512, 227024, 281753, 563506, 1127012, 1972271, 2254024, 3944542, 4508048, 7889084, 15778168, 31556336]

約数ペア:

[(1, 31556336), (2, 15778168), (4, 7889084), (7, 4508048), (8, 3944542), (14, 2254024), (16, 1972271), (28, 1127012), (56, 563506), (112, 281753), (139, 227024), (278, 113512), (556, 56756), (973, 32432), (1112, 28378), (1946, 16216), (2027, 15568), (2224, 14189), (3892, 8108), (4054, 7784)]