2189945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:304

約数の個数: 16

約数和(自身を含む): 2782080

約数和(自身を除く): 592135

約数列:

[1, 5, 23, 115, 137, 139, 685, 695, 3151, 3197, 15755, 15985, 19043, 95215, 437989, 2189945]

約数ペア:

[(1, 2189945), (5, 437989), (23, 95215), (115, 19043), (137, 15985), (139, 15755), (685, 3197), (695, 3151)]