256716593

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{19211}}^1$

素因数の和:19324

約数の個数: 16

約数和(自身を含む): 309851136

約数和(自身を除く): 53134543

約数列:

[1, 7, 23, 83, 161, 581, 1909, 13363, 19211, 134477, 441853, 1594513, 3092971, 11161591, 36673799, 256716593]

約数ペア:

[(1, 256716593), (7, 36673799), (23, 11161591), (83, 3092971), (161, 1594513), (581, 441853), (1909, 134477), (13363, 19211)]