208776208

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{157211}}^1$

素因数の和:157302

約数の個数: 20

約数和(自身を含む): 409380048

約数和(自身を除く): 200603840

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 157211, 314422, 628844, 1257688, 2515376, 13048513, 26097026, 52194052, 104388104, 208776208]

約数ペア:

[(1, 208776208), (2, 104388104), (4, 52194052), (8, 26097026), (16, 13048513), (83, 2515376), (166, 1257688), (332, 628844), (664, 314422), (1328, 157211)]