1280106044

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{7649}}^1$

素因数の和:7842

約数の個数: 48

約数和(自身を含む): 2638944000

約数和(自身を除く): 1358837956

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 139, 172, 278, 301, 556, 602, 973, 1204, 1946, 3892, 5977, 7649, 11954, 15298, 23908, 30596, 41839, 53543, 83678, 107086, 167356, 214172, 328907, 657814, 1063211, 1315628, 2126422, 2302349, 4252844, 4604698, 7442477, 9209396, 14884954, 29769908, 45718073, 91436146, 182872292, 320026511, 640053022, 1280106044]

約数ペア:

[(1, 1280106044), (2, 640053022), (4, 320026511), (7, 182872292), (14, 91436146), (28, 45718073), (43, 29769908), (86, 14884954), (139, 9209396), (172, 7442477), (278, 4604698), (301, 4252844), (556, 2302349), (602, 2126422), (973, 1315628), (1204, 1063211), (1946, 657814), (3892, 328907), (5977, 214172), (7649, 167356), (11954, 107086), (15298, 83678), (23908, 53543), (30596, 41839)]