1311815

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 16

約数和(自身を含む): 1663200

約数和(自身を除く): 351385

約数列:

[1, 5, 29, 83, 109, 145, 415, 545, 2407, 3161, 9047, 12035, 15805, 45235, 262363, 1311815]

約数ペア:

[(1, 1311815), (5, 262363), (29, 45235), (83, 15805), (109, 12035), (145, 9047), (415, 3161), (545, 2407)]