81978162

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:863

約数の個数: 64

約数和(自身を含む): 195416064

約数和(自身を除く): 113437902

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 71, 74, 111, 142, 213, 222, 259, 426, 497, 518, 743, 777, 994, 1486, 1491, 1554, 2229, 2627, 2982, 4458, 5201, 5254, 7881, 10402, 15603, 15762, 18389, 27491, 31206, 36778, 52753, 54982, 55167, 82473, 105506, 110334, 158259, 164946, 192437, 316518, 369271, 384874, 577311, 738542, 1107813, 1154622, 1951861, 2215626, 3903722, 5855583, 11711166, 13663027, 27326054, 40989081, 81978162]

約数ペア:

[(1, 81978162), (2, 40989081), (3, 27326054), (6, 13663027), (7, 11711166), (14, 5855583), (21, 3903722), (37, 2215626), (42, 1951861), (71, 1154622), (74, 1107813), (111, 738542), (142, 577311), (213, 384874), (222, 369271), (259, 316518), (426, 192437), (497, 164946), (518, 158259), (743, 110334), (777, 105506), (994, 82473), (1486, 55167), (1491, 54982), (1554, 52753), (2229, 36778), (2627, 31206), (2982, 27491), (4458, 18389), (5201, 15762), (5254, 15603), (7881, 10402)]