128305792

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{18913}}^1$

素因数の和:18980

約数の個数: 32

約数和(自身を含む): 260445780

約数和(自身を除く): 132139988

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 424, 848, 1696, 3392, 6784, 18913, 37826, 75652, 151304, 302608, 605216, 1002389, 1210432, 2004778, 2420864, 4009556, 8019112, 16038224, 32076448, 64152896, 128305792]

約数ペア:

[(1, 128305792), (2, 64152896), (4, 32076448), (8, 16038224), (16, 8019112), (32, 4009556), (53, 2420864), (64, 2004778), (106, 1210432), (128, 1002389), (212, 605216), (424, 302608), (848, 151304), (1696, 75652), (3392, 37826), (6784, 18913)]