2005403919

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{259801}}^1$

素因数の和:259918

約数の個数: 16

約数和(自身を含む): 2793391104

約数和(自身を除く): 787987185

約数列:

[1, 3, 31, 83, 93, 249, 2573, 7719, 259801, 779403, 8053831, 21563483, 24161493, 64690449, 668467973, 2005403919]

約数ペア:

[(1, 2005403919), (3, 668467973), (31, 64690449), (83, 24161493), (93, 21563483), (249, 8053831), (2573, 779403), (7719, 259801)]