2051278557

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{809}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 2872143360

約数和(自身を除く): 820864803

約数列:

[1, 3, 37, 53, 111, 159, 431, 809, 1293, 1961, 2427, 5883, 15947, 22843, 29933, 42877, 47841, 68529, 89799, 128631, 348679, 845191, 1046037, 1586449, 2535573, 4759347, 12901123, 18479987, 38703369, 55439961, 683759519, 2051278557]

約数ペア:

[(1, 2051278557), (3, 683759519), (37, 55439961), (53, 38703369), (111, 18479987), (159, 12901123), (431, 4759347), (809, 2535573), (1293, 1586449), (1961, 1046037), (2427, 845191), (5883, 348679), (15947, 128631), (22843, 89799), (29933, 68529), (42877, 47841)]