220276928

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:841

約数の個数: 56

約数和(自身を含む): 451981824

約数和(自身を除く): 231704896

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 127, 164, 254, 328, 508, 656, 661, 1016, 1312, 1322, 2032, 2624, 2644, 4064, 5207, 5288, 8128, 10414, 10576, 20828, 21152, 27101, 41656, 42304, 54202, 83312, 83947, 108404, 166624, 167894, 216808, 333248, 335788, 433616, 671576, 867232, 1343152, 1734464, 2686304, 3441827, 5372608, 6883654, 13767308, 27534616, 55069232, 110138464, 220276928]

約数ペア:

[(1, 220276928), (2, 110138464), (4, 55069232), (8, 27534616), (16, 13767308), (32, 6883654), (41, 5372608), (64, 3441827), (82, 2686304), (127, 1734464), (164, 1343152), (254, 867232), (328, 671576), (508, 433616), (656, 335788), (661, 333248), (1016, 216808), (1312, 167894), (1322, 166624), (2032, 108404), (2624, 83947), (2644, 83312), (4064, 54202), (5207, 42304), (5288, 41656), (8128, 27101), (10414, 21152), (10576, 20828)]