549968188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{2777}}^1$

素因数の和:3442

約数の個数: 48

約数和(自身を含む): 1202229504

約数和(自身を除く): 652261316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 643, 1286, 2572, 2777, 4501, 5554, 7073, 9002, 11108, 14146, 18004, 19439, 28292, 30547, 38878, 49511, 61094, 77756, 99022, 122188, 198044, 213829, 427658, 855316, 1785611, 3571222, 7142444, 12499277, 19641721, 24998554, 39283442, 49997108, 78566884, 137492047, 274984094, 549968188]

約数ペア:

[(1, 549968188), (2, 274984094), (4, 137492047), (7, 78566884), (11, 49997108), (14, 39283442), (22, 24998554), (28, 19641721), (44, 12499277), (77, 7142444), (154, 3571222), (308, 1785611), (643, 855316), (1286, 427658), (2572, 213829), (2777, 198044), (4501, 122188), (5554, 99022), (7073, 77756), (9002, 61094), (11108, 49511), (14146, 38878), (18004, 30547), (19439, 28292)]