28369808

素因数分解:

$2^4\times {\mathrm{887}}^1\times {\mathrm{1999}}^1$

素因数の和:2894

約数の個数: 20

約数和(自身を含む): 55056000

約数和(自身を除く): 26686192

約数列:

[1, 2, 4, 8, 16, 887, 1774, 1999, 3548, 3998, 7096, 7996, 14192, 15992, 31984, 1773113, 3546226, 7092452, 14184904, 28369808]

約数ペア:

[(1, 28369808), (2, 14184904), (4, 7092452), (8, 3546226), (16, 1773113), (887, 31984), (1774, 15992), (1999, 14192), (3548, 7996), (3998, 7096)]