71263738

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 137491200

約数和(自身を除く): 66227462

約数列:

[1, 2, 7, 13, 14, 26, 49, 61, 91, 98, 122, 131, 182, 262, 343, 427, 637, 686, 793, 854, 917, 1274, 1586, 1703, 1834, 2989, 3406, 4459, 5551, 5978, 6419, 7991, 8918, 11102, 11921, 12838, 15982, 20923, 23842, 38857, 41846, 44933, 55937, 77714, 83447, 89866, 103883, 111874, 166894, 207766, 271999, 391559, 543998, 584129, 727181, 783118, 1168258, 1454362, 2740913, 5090267, 5481826, 10180534, 35631869, 71263738]

約数ペア:

[(1, 71263738), (2, 35631869), (7, 10180534), (13, 5481826), (14, 5090267), (26, 2740913), (49, 1454362), (61, 1168258), (91, 783118), (98, 727181), (122, 584129), (131, 543998), (182, 391559), (262, 271999), (343, 207766), (427, 166894), (637, 111874), (686, 103883), (793, 89866), (854, 83447), (917, 77714), (1274, 55937), (1586, 44933), (1703, 41846), (1834, 38857), (2989, 23842), (3406, 20923), (4459, 15982), (5551, 12838), (5978, 11921), (6419, 11102), (7991, 8918)]