68541712

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{2143}}^1$

素因数の和:4150

約数の個数: 20

約数和(自身を含む): 132928000

約数和(自身を除く): 64386288

約数列:

[1, 2, 4, 8, 16, 1999, 2143, 3998, 4286, 7996, 8572, 15992, 17144, 31984, 34288, 4283857, 8567714, 17135428, 34270856, 68541712]

約数ペア:

[(1, 68541712), (2, 34270856), (4, 17135428), (8, 8567714), (16, 4283857), (1999, 34288), (2143, 31984), (3998, 17144), (4286, 15992), (7996, 8572)]