27821818

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2753}}^1$

素因数の和:2949

約数の個数: 16

約数和(自身を含む): 43358976

約数和(自身を除く): 15537158

約数列:

[1, 2, 31, 62, 163, 326, 2753, 5053, 5506, 10106, 85343, 170686, 448739, 897478, 13910909, 27821818]

約数ペア:

[(1, 27821818), (2, 13910909), (31, 897478), (62, 448739), (163, 170686), (326, 85343), (2753, 10106), (5053, 5506)]