12967866

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 29090880

約数和(自身を除く): 16123014

約数列:

[1, 2, 3, 6, 9, 18, 71, 73, 139, 142, 146, 213, 219, 278, 417, 426, 438, 639, 657, 834, 1251, 1278, 1314, 2502, 5183, 9869, 10147, 10366, 15549, 19738, 20294, 29607, 30441, 31098, 46647, 59214, 60882, 88821, 91323, 93294, 177642, 182646, 720437, 1440874, 2161311, 4322622, 6483933, 12967866]

約数ペア:

[(1, 12967866), (2, 6483933), (3, 4322622), (6, 2161311), (9, 1440874), (18, 720437), (71, 182646), (73, 177642), (139, 93294), (142, 91323), (146, 88821), (213, 60882), (219, 59214), (278, 46647), (417, 31098), (426, 30441), (438, 29607), (639, 20294), (657, 19738), (834, 15549), (1251, 10366), (1278, 10147), (1314, 9869), (2502, 5183)]