128880136

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{209221}}^1$

素因数の和:209245

約数の個数: 32

約数和(自身を含む): 301279680

約数和(自身を除く): 172399544

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 209221, 418442, 836884, 1464547, 1673768, 2301431, 2929094, 4602862, 5858188, 9205724, 11716376, 16110017, 18411448, 32220034, 64440068, 128880136]

約数ペア:

[(1, 128880136), (2, 64440068), (4, 32220034), (7, 18411448), (8, 16110017), (11, 11716376), (14, 9205724), (22, 5858188), (28, 4602862), (44, 2929094), (56, 2301431), (77, 1673768), (88, 1464547), (154, 836884), (308, 418442), (616, 209221)]