217081732

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 441762048

約数和(自身を除く): 224680316

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 257, 311, 388, 514, 622, 679, 1028, 1244, 1358, 1799, 2177, 2716, 3598, 4354, 7196, 8708, 24929, 30167, 49858, 60334, 79927, 99716, 120668, 159854, 174503, 211169, 319708, 349006, 422338, 559489, 698012, 844676, 1118978, 2237956, 7752919, 15505838, 31011676, 54270433, 108540866, 217081732]

約数ペア:

[(1, 217081732), (2, 108540866), (4, 54270433), (7, 31011676), (14, 15505838), (28, 7752919), (97, 2237956), (194, 1118978), (257, 844676), (311, 698012), (388, 559489), (514, 422338), (622, 349006), (679, 319708), (1028, 211169), (1244, 174503), (1358, 159854), (1799, 120668), (2177, 99716), (2716, 79927), (3598, 60334), (4354, 49858), (7196, 30167), (8708, 24929)]