128331904

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{43591}}^1$

素因数の和:43628

約数の個数: 32

約数和(自身を含む): 266783040

約数和(自身を除く): 138451136

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 43591, 87182, 174364, 348728, 697456, 1002593, 1394912, 2005186, 2789824, 4010372, 5579648, 8020744, 16041488, 32082976, 64165952, 128331904]

約数ペア:

[(1, 128331904), (2, 64165952), (4, 32082976), (8, 16041488), (16, 8020744), (23, 5579648), (32, 4010372), (46, 2789824), (64, 2005186), (92, 1394912), (128, 1002593), (184, 697456), (368, 348728), (736, 174364), (1472, 87182), (2944, 43591)]