1640982008

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{798143}}^1$

素因数の和:798406

約数の個数: 16

約数和(自身を含む): 3088817280

約数和(自身を除く): 1447835272

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 798143, 1596286, 3192572, 6385144, 205122751, 410245502, 820491004, 1640982008]

約数ペア:

[(1, 1640982008), (2, 820491004), (4, 410245502), (8, 205122751), (257, 6385144), (514, 3192572), (1028, 1596286), (2056, 798143)]