221497144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{19819}}^1$

素因数の和:19963

約数の個数: 32

約数和(自身を含む): 456652800

約数和(自身を除く): 235155656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 127, 254, 508, 1016, 1397, 2794, 5588, 11176, 19819, 39638, 79276, 158552, 218009, 436018, 872036, 1744072, 2517013, 5034026, 10068052, 20136104, 27687143, 55374286, 110748572, 221497144]

約数ペア:

[(1, 221497144), (2, 110748572), (4, 55374286), (8, 27687143), (11, 20136104), (22, 10068052), (44, 5034026), (88, 2517013), (127, 1744072), (254, 872036), (508, 436018), (1016, 218009), (1397, 158552), (2794, 79276), (5588, 39638), (11176, 19819)]