2601613

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 3235840

約数和(自身を除く): 634227

約数列:

[1, 7, 19, 31, 133, 217, 589, 631, 4123, 4417, 11989, 19561, 83923, 136927, 371659, 2601613]

約数ペア:

[(1, 2601613), (7, 371659), (19, 136927), (31, 83923), (133, 19561), (217, 11989), (589, 4417), (631, 4123)]