1555255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 2044224

約数和(自身を除く): 488969

約数列:

[1, 5, 13, 65, 71, 337, 355, 923, 1685, 4381, 4615, 21905, 23927, 119635, 311051, 1555255]

約数ペア:

[(1, 1555255), (5, 311051), (13, 119635), (65, 23927), (71, 21905), (337, 4615), (355, 4381), (923, 1685)]