128840456

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{1097}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 247247640

約数和(自身を除く): 118407184

約数列:

[1, 2, 4, 8, 53, 106, 212, 277, 424, 554, 1097, 1108, 2194, 2216, 4388, 8776, 14681, 29362, 58141, 58724, 116282, 117448, 232564, 303869, 465128, 607738, 1215476, 2430952, 16105057, 32210114, 64420228, 128840456]

約数ペア:

[(1, 128840456), (2, 64420228), (4, 32210114), (8, 16105057), (53, 2430952), (106, 1215476), (212, 607738), (277, 465128), (424, 303869), (554, 232564), (1097, 117448), (1108, 116282), (2194, 58724), (2216, 58141), (4388, 29362), (8776, 14681)]