208517872

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{119563}}^1$

素因数の和:119680

約数の個数: 20

約数和(自身を含む): 407713240

約数和(自身を除く): 199195368

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 119563, 239126, 478252, 956504, 1913008, 13032367, 26064734, 52129468, 104258936, 208517872]

約数ペア:

[(1, 208517872), (2, 104258936), (4, 52129468), (8, 26064734), (16, 13032367), (109, 1913008), (218, 956504), (436, 478252), (872, 239126), (1744, 119563)]