28027846

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 56318976

約数和(自身を除く): 28291130

約数列:

[1, 2, 7, 11, 14, 22, 23, 41, 46, 77, 82, 154, 161, 193, 253, 287, 322, 386, 451, 506, 574, 902, 943, 1351, 1771, 1886, 2123, 2702, 3157, 3542, 4246, 4439, 6314, 6601, 7913, 8878, 10373, 13202, 14861, 15826, 20746, 29722, 31073, 48829, 55391, 62146, 72611, 87043, 97658, 110782, 145222, 174086, 181999, 341803, 363998, 609301, 683606, 1218602, 1273993, 2001989, 2547986, 4003978, 14013923, 28027846]

約数ペア:

[(1, 28027846), (2, 14013923), (7, 4003978), (11, 2547986), (14, 2001989), (22, 1273993), (23, 1218602), (41, 683606), (46, 609301), (77, 363998), (82, 341803), (154, 181999), (161, 174086), (193, 145222), (253, 110782), (287, 97658), (322, 87043), (386, 72611), (451, 62146), (506, 55391), (574, 48829), (902, 31073), (943, 29722), (1351, 20746), (1771, 15826), (1886, 14861), (2123, 13202), (2702, 10373), (3157, 8878), (3542, 7913), (4246, 6601), (4439, 6314)]