128091808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{839}}^1$

素因数の和:1229

約数の個数: 48

約数和(自身を含む): 272643840

約数和(自身を除く): 144552032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 367, 416, 734, 839, 1468, 1678, 2936, 3356, 4771, 5872, 6712, 9542, 10907, 11744, 13424, 19084, 21814, 26848, 38168, 43628, 76336, 87256, 152672, 174512, 307913, 349024, 615826, 1231652, 2463304, 4002869, 4926608, 8005738, 9853216, 16011476, 32022952, 64045904, 128091808]

約数ペア:

[(1, 128091808), (2, 64045904), (4, 32022952), (8, 16011476), (13, 9853216), (16, 8005738), (26, 4926608), (32, 4002869), (52, 2463304), (104, 1231652), (208, 615826), (367, 349024), (416, 307913), (734, 174512), (839, 152672), (1468, 87256), (1678, 76336), (2936, 43628), (3356, 38168), (4771, 26848), (5872, 21814), (6712, 19084), (9542, 13424), (10907, 11744)]