319903703

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 410509440

約数和(自身を除く): 90605737

約数列:

[1, 7, 19, 43, 49, 61, 131, 133, 301, 427, 817, 917, 931, 1159, 2107, 2489, 2623, 2989, 5633, 5719, 6419, 7991, 8113, 17423, 18361, 39431, 40033, 49837, 55937, 56791, 107027, 121961, 128527, 151829, 276017, 343613, 348859, 391559, 749189, 1062803, 2405291, 2442013, 5244323, 6528647, 7439621, 16837037, 45700529, 319903703]

約数ペア:

[(1, 319903703), (7, 45700529), (19, 16837037), (43, 7439621), (49, 6528647), (61, 5244323), (131, 2442013), (133, 2405291), (301, 1062803), (427, 749189), (817, 391559), (917, 348859), (931, 343613), (1159, 276017), (2107, 151829), (2489, 128527), (2623, 121961), (2989, 107027), (5633, 56791), (5719, 55937), (6419, 49837), (7991, 40033), (8113, 39431), (17423, 18361)]