266904001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{154369}}^1$

素因数の和:154408

約数の個数: 16

約数和(自身を含む): 345788800

約数和(自身を除く): 78884799

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 154369, 1080583, 2006797, 2933011, 14047579, 20531077, 38129143, 266904001]

約数ペア:

[(1, 266904001), (7, 38129143), (13, 20531077), (19, 14047579), (91, 2933011), (133, 2006797), (247, 1080583), (1729, 154369)]