12697685

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 21288960

約数和(自身を除く): 8591275

約数列:

[1, 5, 7, 11, 13, 35, 43, 55, 59, 65, 77, 91, 143, 215, 295, 301, 385, 413, 455, 473, 559, 649, 715, 767, 1001, 1505, 2065, 2365, 2537, 2795, 3245, 3311, 3835, 3913, 4543, 5005, 5369, 6149, 8437, 12685, 16555, 17759, 19565, 22715, 26845, 27907, 30745, 32981, 42185, 43043, 59059, 88795, 139535, 164905, 195349, 215215, 230867, 295295, 362791, 976745, 1154335, 1813955, 2539537, 12697685]

約数ペア:

[(1, 12697685), (5, 2539537), (7, 1813955), (11, 1154335), (13, 976745), (35, 362791), (43, 295295), (55, 230867), (59, 215215), (65, 195349), (77, 164905), (91, 139535), (143, 88795), (215, 59059), (295, 43043), (301, 42185), (385, 32981), (413, 30745), (455, 27907), (473, 26845), (559, 22715), (649, 19565), (715, 17759), (767, 16555), (1001, 12685), (1505, 8437), (2065, 6149), (2365, 5369), (2537, 5005), (2795, 4543), (3245, 3913), (3311, 3835)]