2661412

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 5246976

約数和(自身を除く): 2585564

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 127, 169, 254, 338, 403, 508, 676, 806, 1612, 1651, 3302, 3937, 5239, 6604, 7874, 10478, 15748, 20956, 21463, 42926, 51181, 85852, 102362, 204724, 665353, 1330706, 2661412]

約数ペア:

[(1, 2661412), (2, 1330706), (4, 665353), (13, 204724), (26, 102362), (31, 85852), (52, 51181), (62, 42926), (124, 21463), (127, 20956), (169, 15748), (254, 10478), (338, 7874), (403, 6604), (508, 5239), (676, 3937), (806, 3302), (1612, 1651)]