871849328

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109639}}^1$

素因数の和:109725

約数の個数: 40

約数和(自身を含む): 1957731840

約数和(自身を除く): 1085882512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 109639, 219278, 438556, 767473, 877112, 1534946, 1754224, 3069892, 6139784, 7784369, 12279568, 15568738, 31137476, 54490583, 62274952, 108981166, 124549904, 217962332, 435924664, 871849328]

約数ペア:

[(1, 871849328), (2, 435924664), (4, 217962332), (7, 124549904), (8, 108981166), (14, 62274952), (16, 54490583), (28, 31137476), (56, 15568738), (71, 12279568), (112, 7784369), (142, 6139784), (284, 3069892), (497, 1754224), (568, 1534946), (994, 877112), (1136, 767473), (1988, 438556), (3976, 219278), (7952, 109639)]