28113956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^2$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 54523476

約数和(自身を除く): 26409520

約数列:

[1, 2, 4, 13, 26, 52, 53, 101, 106, 202, 212, 404, 689, 1313, 1378, 2626, 2756, 5252, 5353, 10201, 10706, 20402, 21412, 40804, 69589, 132613, 139178, 265226, 278356, 530452, 540653, 1081306, 2162612, 7028489, 14056978, 28113956]

約数ペア:

[(1, 28113956), (2, 14056978), (4, 7028489), (13, 2162612), (26, 1081306), (52, 540653), (53, 530452), (101, 278356), (106, 265226), (202, 139178), (212, 132613), (404, 69589), (689, 40804), (1313, 21412), (1378, 20402), (2626, 10706), (2756, 10201), (5252, 5353)]