2180996886

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 4561837056

約数和(自身を除く): 2380840170

約数列:

[1, 2, 3, 6, 41, 71, 82, 123, 142, 193, 213, 246, 386, 426, 579, 647, 1158, 1294, 1941, 2911, 3882, 5822, 7913, 8733, 13703, 15826, 17466, 23739, 26527, 27406, 41109, 45937, 47478, 53054, 79581, 82218, 91874, 124871, 137811, 159162, 249742, 275622, 374613, 561823, 749226, 1123646, 1685469, 1883417, 3370938, 3766834, 5119711, 5650251, 8865841, 10239422, 11300502, 15359133, 17731682, 26597523, 30718266, 53195046, 363499481, 726998962, 1090498443, 2180996886]

約数ペア:

[(1, 2180996886), (2, 1090498443), (3, 726998962), (6, 363499481), (41, 53195046), (71, 30718266), (82, 26597523), (123, 17731682), (142, 15359133), (193, 11300502), (213, 10239422), (246, 8865841), (386, 5650251), (426, 5119711), (579, 3766834), (647, 3370938), (1158, 1883417), (1294, 1685469), (1941, 1123646), (2911, 749226), (3882, 561823), (5822, 374613), (7913, 275622), (8733, 249742), (13703, 159162), (15826, 137811), (17466, 124871), (23739, 91874), (26527, 82218), (27406, 79581), (41109, 53054), (45937, 47478)]