2189903945

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{827941}}^1$

素因数の和:827992

約数の個数: 12

約数和(自身を含む): 2747111556

約数和(自身を除く): 557207611

約数列:

[1, 5, 23, 115, 529, 2645, 827941, 4139705, 19042643, 95213215, 437980789, 2189903945]

約数ペア:

[(1, 2189903945), (5, 437980789), (23, 95213215), (115, 19042643), (529, 4139705), (2645, 827941)]