643048208

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{1721}}^1$

素因数の和:1944

約数の個数: 60

約数和(自身を含む): 1377362364

約数和(自身を除く): 734314156

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 193, 242, 386, 484, 772, 968, 1544, 1721, 1936, 2123, 3088, 3442, 4246, 6884, 8492, 13768, 16984, 18931, 23353, 27536, 33968, 37862, 46706, 75724, 93412, 151448, 186824, 208241, 302896, 332153, 373648, 416482, 664306, 832964, 1328612, 1665928, 2657224, 3331856, 3653683, 5314448, 7307366, 14614732, 29229464, 40190513, 58458928, 80381026, 160762052, 321524104, 643048208]

約数ペア:

[(1, 643048208), (2, 321524104), (4, 160762052), (8, 80381026), (11, 58458928), (16, 40190513), (22, 29229464), (44, 14614732), (88, 7307366), (121, 5314448), (176, 3653683), (193, 3331856), (242, 2657224), (386, 1665928), (484, 1328612), (772, 832964), (968, 664306), (1544, 416482), (1721, 373648), (1936, 332153), (2123, 302896), (3088, 208241), (3442, 186824), (4246, 151448), (6884, 93412), (8492, 75724), (13768, 46706), (16984, 37862), (18931, 33968), (23353, 27536)]