1389451

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 1730560

約数和(自身を除く): 341109

約数列:

[1, 7, 19, 31, 133, 217, 337, 589, 2359, 4123, 6403, 10447, 44821, 73129, 198493, 1389451]

約数ペア:

[(1, 1389451), (7, 198493), (19, 73129), (31, 44821), (133, 10447), (217, 6403), (337, 4123), (589, 2359)]