209719310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{3221}}^1$

素因数の和:3628

約数の個数: 32

約数和(自身を含む): 400868352

約数和(自身を除く): 191149042

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 383, 766, 1915, 3221, 3830, 6442, 6511, 13022, 16105, 32210, 32555, 54757, 65110, 109514, 273785, 547570, 1233643, 2467286, 6168215, 12336430, 20971931, 41943862, 104859655, 209719310]

約数ペア:

[(1, 209719310), (2, 104859655), (5, 41943862), (10, 20971931), (17, 12336430), (34, 6168215), (85, 2467286), (170, 1233643), (383, 547570), (766, 273785), (1915, 109514), (3221, 65110), (3830, 54757), (6442, 32555), (6511, 32210), (13022, 16105)]