209440979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{1913}}^1$

素因数の和:2230

約数の個数: 16

約数和(自身を含む): 235651680

約数和(自身を除く): 26210701

約数列:

[1, 11, 37, 269, 407, 1913, 2959, 9953, 21043, 70781, 109483, 514597, 778591, 5660567, 19040089, 209440979]

約数ペア:

[(1, 209440979), (11, 19040089), (37, 5660567), (269, 778591), (407, 514597), (1913, 109483), (2959, 70781), (9953, 21043)]