28013872

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{16063}}^1$

素因数の和:16180

約数の個数: 20

約数和(自身を含む): 54778240

約数和(自身を除く): 26764368

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 16063, 32126, 64252, 128504, 257008, 1750867, 3501734, 7003468, 14006936, 28013872]

約数ペア:

[(1, 28013872), (2, 14006936), (4, 7003468), (8, 3501734), (16, 1750867), (109, 257008), (218, 128504), (436, 64252), (872, 32126), (1744, 16063)]