204920431391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1511}}^1\times {\mathrm{613661}}^1$

素因数の和:615202

約数の個数: 16

約数和(自身を含む): 233819949888

約数和(自身を除く): 28899518497

約数列:

[1, 13, 17, 221, 1511, 19643, 25687, 333931, 613661, 7977593, 10432237, 135619081, 927241771, 12054143023, 15763110107, 204920431391]

約数ペア:

[(1, 204920431391), (13, 15763110107), (17, 12054143023), (221, 927241771), (1511, 135619081), (19643, 10432237), (25687, 7977593), (333931, 613661)]