638732214

素因数分解:

$2^1\times 3^2\times {\mathrm{313}}^1\times {\mathrm{113371}}^1$

素因数の和:113692

約数の個数: 24

約数和(自身を含む): 1388353512

約数和(自身を除く): 749621298

約数列:

[1, 2, 3, 6, 9, 18, 313, 626, 939, 1878, 2817, 5634, 113371, 226742, 340113, 680226, 1020339, 2040678, 35485123, 70970246, 106455369, 212910738, 319366107, 638732214]

約数ペア:

[(1, 638732214), (2, 319366107), (3, 212910738), (6, 106455369), (9, 70970246), (18, 35485123), (313, 2040678), (626, 1020339), (939, 680226), (1878, 340113), (2817, 226742), (5634, 113371)]