31871792

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{4057}}^1$

素因数の和:4556

約数の個数: 20

約数和(自身を含む): 61892616

約数和(自身を除く): 30020824

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 4057, 7856, 8114, 16228, 32456, 64912, 1991987, 3983974, 7967948, 15935896, 31871792]

約数ペア:

[(1, 31871792), (2, 15935896), (4, 7967948), (8, 3983974), (16, 1991987), (491, 64912), (982, 32456), (1964, 16228), (3928, 8114), (4057, 7856)]