2642390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1901}}^1$

素因数の和:2047

約数の個数: 16

約数和(自身を含む): 4793040

約数和(自身を除く): 2150650

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 1901, 3802, 9505, 19010, 264239, 528478, 1321195, 2642390]

約数ペア:

[(1, 2642390), (2, 1321195), (5, 528478), (10, 264239), (139, 19010), (278, 9505), (695, 3802), (1390, 1901)]