123860984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{27697}}^1$

素因数の和:27759

約数の個数: 32

約数和(自身を含む): 255929520

約数和(自身を除く): 132068536

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 27697, 55394, 110788, 221576, 360061, 720122, 1190971, 1440244, 2381942, 2880488, 4763884, 9527768, 15482623, 30965246, 61930492, 123860984]

約数ペア:

[(1, 123860984), (2, 61930492), (4, 30965246), (8, 15482623), (13, 9527768), (26, 4763884), (43, 2880488), (52, 2381942), (86, 1440244), (104, 1190971), (172, 720122), (344, 360061), (559, 221576), (1118, 110788), (2236, 55394), (4472, 27697)]