71891666

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 143716608

約数和(自身を除く): 71824942

約数列:

[1, 2, 7, 11, 14, 22, 31, 37, 62, 74, 77, 121, 154, 217, 242, 259, 341, 407, 434, 518, 682, 814, 847, 1147, 1369, 1694, 2294, 2387, 2738, 2849, 3751, 4477, 4774, 5698, 7502, 8029, 8954, 9583, 12617, 15059, 16058, 19166, 25234, 26257, 30118, 31339, 42439, 52514, 62678, 84878, 88319, 105413, 138787, 165649, 176638, 210826, 277574, 297073, 331298, 466829, 594146, 933658, 971509, 1159543, 1943018, 2319086, 3267803, 5135119, 6535606, 10270238, 35945833, 71891666]

約数ペア:

[(1, 71891666), (2, 35945833), (7, 10270238), (11, 6535606), (14, 5135119), (22, 3267803), (31, 2319086), (37, 1943018), (62, 1159543), (74, 971509), (77, 933658), (121, 594146), (154, 466829), (217, 331298), (242, 297073), (259, 277574), (341, 210826), (407, 176638), (434, 165649), (518, 138787), (682, 105413), (814, 88319), (847, 84878), (1147, 62678), (1369, 52514), (1694, 42439), (2294, 31339), (2387, 30118), (2738, 26257), (2849, 25234), (3751, 19166), (4477, 16058), (4774, 15059), (5698, 12617), (7502, 9583), (8029, 8954)]