128304856

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{3613}}^1$

素因数の和:3835

約数の個数: 32

約数和(自身を含む): 252401760

約数和(自身を除く): 124096904

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 193, 386, 772, 1544, 3613, 4439, 7226, 8878, 14452, 17756, 28904, 35512, 83099, 166198, 332396, 664792, 697309, 1394618, 2789236, 5578472, 16038107, 32076214, 64152428, 128304856]

約数ペア:

[(1, 128304856), (2, 64152428), (4, 32076214), (8, 16038107), (23, 5578472), (46, 2789236), (92, 1394618), (184, 697309), (193, 664792), (386, 332396), (772, 166198), (1544, 83099), (3613, 35512), (4439, 28904), (7226, 17756), (8878, 14452)]