209570258

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{19301}}^1$

素因数の和:19453

約数の個数: 16

約数和(自身を含む): 323115480

約数和(自身を除く): 113545222

約数列:

[1, 2, 61, 89, 122, 178, 5429, 10858, 19301, 38602, 1177361, 1717789, 2354722, 3435578, 104785129, 209570258]

約数ペア:

[(1, 209570258), (2, 104785129), (61, 3435578), (89, 2354722), (122, 1717789), (178, 1177361), (5429, 38602), (10858, 19301)]