51685690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 108891432

約数和(自身を除く): 57205742

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 313, 337, 490, 626, 674, 1565, 1685, 2191, 2359, 3130, 3370, 4382, 4718, 10955, 11795, 15337, 16513, 21910, 23590, 30674, 33026, 76685, 82565, 105481, 153370, 165130, 210962, 527405, 738367, 1054810, 1476734, 3691835, 5168569, 7383670, 10337138, 25842845, 51685690]

約数ペア:

[(1, 51685690), (2, 25842845), (5, 10337138), (7, 7383670), (10, 5168569), (14, 3691835), (35, 1476734), (49, 1054810), (70, 738367), (98, 527405), (245, 210962), (313, 165130), (337, 153370), (490, 105481), (626, 82565), (674, 76685), (1565, 33026), (1685, 30674), (2191, 23590), (2359, 21910), (3130, 16513), (3370, 15337), (4382, 11795), (4718, 10955)]