858865046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{210403}}^1$

素因数の和:210575

約数の個数: 16

約数和(自身を含む): 1396240944

約数和(自身を除く): 537375898

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 210403, 420806, 2735239, 5470478, 33033271, 66066542, 429432523, 858865046]

約数ペア:

[(1, 858865046), (2, 429432523), (13, 66066542), (26, 33033271), (157, 5470478), (314, 2735239), (2041, 420806), (4082, 210403)]