1285890273355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{8123}}^1\times {\mathrm{1862381}}^1$

素因数の和:1870526

約数の個数: 16

約数和(自身を含む): 1634039067744

約数和(自身を除く): 348148794389

約数列:

[1, 5, 17, 85, 8123, 40615, 138091, 690455, 1862381, 9311905, 31660477, 158302385, 15128120863, 75640604315, 257178054671, 1285890273355]

約数ペア:

[(1, 1285890273355), (5, 257178054671), (17, 75640604315), (85, 15128120863), (8123, 158302385), (40615, 31660477), (138091, 9311905), (690455, 1862381)]