81006838

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 140096880

約数和(自身を除く): 59090042

約数列:

[1, 2, 11, 22, 37, 74, 83, 109, 121, 166, 218, 242, 407, 814, 913, 1199, 1826, 2398, 3071, 4033, 4477, 6142, 8066, 8954, 9047, 10043, 13189, 18094, 20086, 26378, 33781, 44363, 67562, 88726, 99517, 199034, 334739, 371591, 487993, 669478, 743182, 975986, 1094687, 2189374, 3682129, 7364258, 40503419, 81006838]

約数ペア:

[(1, 81006838), (2, 40503419), (11, 7364258), (22, 3682129), (37, 2189374), (74, 1094687), (83, 975986), (109, 743182), (121, 669478), (166, 487993), (218, 371591), (242, 334739), (407, 199034), (814, 99517), (913, 88726), (1199, 67562), (1826, 44363), (2398, 33781), (3071, 26378), (4033, 20086), (4477, 18094), (6142, 13189), (8066, 10043), (8954, 9047)]