209653054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{431}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 346840704

約数和(自身を除く): 137187650

約数列:

[1, 2, 13, 26, 53, 106, 353, 431, 689, 706, 862, 1378, 4589, 5603, 9178, 11206, 18709, 22843, 37418, 45686, 152143, 243217, 296959, 304286, 486434, 593918, 1977859, 3955718, 8063579, 16127158, 104826527, 209653054]

約数ペア:

[(1, 209653054), (2, 104826527), (13, 16127158), (26, 8063579), (53, 3955718), (106, 1977859), (353, 593918), (431, 486434), (689, 304286), (706, 296959), (862, 243217), (1378, 152143), (4589, 45686), (5603, 37418), (9178, 22843), (11206, 18709)]