209969507

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{11689}}^1$

素因数の和:11794

約数の個数: 16

約数和(自身を含む): 242403840

約数和(自身を除く): 32434333

約数列:

[1, 11, 23, 71, 253, 781, 1633, 11689, 17963, 128579, 268847, 829919, 2957317, 9129109, 19088137, 209969507]

約数ペア:

[(1, 209969507), (11, 19088137), (23, 9129109), (71, 2957317), (253, 829919), (781, 268847), (1633, 128579), (11689, 17963)]