1285280227

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{725737}}^1$

素因数の和:725778

約数の個数: 16

約数和(自身を含む): 1672100352

約数和(自身を除く): 386820125

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 725737, 5080159, 7983107, 16691951, 55881749, 116843657, 183611461, 1285280227]

約数ペア:

[(1, 1285280227), (7, 183611461), (11, 116843657), (23, 55881749), (77, 16691951), (161, 7983107), (253, 5080159), (1771, 725737)]