638504234755

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{19381}}^1\times {\mathrm{286477}}^1$

素因数の和:305886

約数の個数: 16

約数和(自身を含む): 799562389824

約数和(自身を除く): 161058155069

約数列:

[1, 5, 23, 115, 19381, 96905, 286477, 445763, 1432385, 2228815, 6588971, 32944855, 5552210737, 27761053685, 127700846951, 638504234755]

約数ペア:

[(1, 638504234755), (5, 127700846951), (23, 27761053685), (115, 5552210737), (19381, 32944855), (96905, 6588971), (286477, 2228815), (445763, 1432385)]