2041985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 2702592

約数和(自身を除く): 660607

約数列:

[1, 5, 11, 55, 137, 271, 685, 1355, 1507, 2981, 7535, 14905, 37127, 185635, 408397, 2041985]

約数ペア:

[(1, 2041985), (5, 408397), (11, 185635), (55, 37127), (137, 14905), (271, 7535), (685, 2981), (1355, 1507)]