128281538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1847}}^1$

素因数の和:1919

約数の個数: 48

約数和(自身を含む): 247750272

約数和(自身を除く): 119468734

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 121, 154, 242, 287, 451, 574, 847, 902, 1694, 1847, 3157, 3694, 4961, 6314, 9922, 12929, 20317, 25858, 34727, 40634, 69454, 75727, 142219, 151454, 223487, 284438, 446974, 530089, 832997, 1060178, 1564409, 1665994, 3128818, 5830979, 9162967, 11661958, 18325934, 64140769, 128281538]

約数ペア:

[(1, 128281538), (2, 64140769), (7, 18325934), (11, 11661958), (14, 9162967), (22, 5830979), (41, 3128818), (77, 1665994), (82, 1564409), (121, 1060178), (154, 832997), (242, 530089), (287, 446974), (451, 284438), (574, 223487), (847, 151454), (902, 142219), (1694, 75727), (1847, 69454), (3157, 40634), (3694, 34727), (4961, 25858), (6314, 20317), (9922, 12929)]