890752874

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1877}}^1$

素因数の和:1991

約数の個数: 48

約数和(自身を含む): 1537608744

約数和(自身を除く): 646855870

約数列:

[1, 2, 11, 22, 37, 53, 74, 106, 121, 242, 407, 583, 814, 1166, 1877, 1961, 3754, 3922, 4477, 6413, 8954, 12826, 20647, 21571, 41294, 43142, 69449, 99481, 138898, 198962, 227117, 237281, 454234, 474562, 763939, 1094291, 1527878, 2188582, 3680797, 7361594, 8403329, 12037201, 16806658, 24074402, 40488767, 80977534, 445376437, 890752874]

約数ペア:

[(1, 890752874), (2, 445376437), (11, 80977534), (22, 40488767), (37, 24074402), (53, 16806658), (74, 12037201), (106, 8403329), (121, 7361594), (242, 3680797), (407, 2188582), (583, 1527878), (814, 1094291), (1166, 763939), (1877, 474562), (1961, 454234), (3754, 237281), (3922, 227117), (4477, 198962), (6413, 138898), (8954, 99481), (12826, 69449), (20647, 43142), (21571, 41294)]