27889794

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 62112960

約数和(自身を除く): 34223166

約数列:

[1, 2, 3, 6, 9, 18, 71, 139, 142, 157, 213, 278, 314, 417, 426, 471, 639, 834, 942, 1251, 1278, 1413, 2502, 2826, 9869, 11147, 19738, 21823, 22294, 29607, 33441, 43646, 59214, 65469, 66882, 88821, 100323, 130938, 177642, 196407, 200646, 392814, 1549433, 3098866, 4648299, 9296598, 13944897, 27889794]

約数ペア:

[(1, 27889794), (2, 13944897), (3, 9296598), (6, 4648299), (9, 3098866), (18, 1549433), (71, 392814), (139, 200646), (142, 196407), (157, 177642), (213, 130938), (278, 100323), (314, 88821), (417, 66882), (426, 65469), (471, 59214), (639, 43646), (834, 33441), (942, 29607), (1251, 22294), (1278, 21823), (1413, 19738), (2502, 11147), (2826, 9869)]