51538916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 110678400

約数和(自身を除く): 59139484

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 169, 239, 286, 319, 338, 377, 478, 572, 638, 676, 754, 956, 1276, 1508, 1859, 2629, 3107, 3718, 4147, 4901, 5258, 6214, 6931, 7436, 8294, 9802, 10516, 12428, 13862, 16588, 19604, 27724, 34177, 40391, 53911, 68354, 76241, 80782, 90103, 107822, 136708, 152482, 161564, 180206, 215644, 304964, 360412, 444301, 888602, 991133, 1171339, 1777204, 1982266, 2342678, 3964532, 4685356, 12884729, 25769458, 51538916]

約数ペア:

[(1, 51538916), (2, 25769458), (4, 12884729), (11, 4685356), (13, 3964532), (22, 2342678), (26, 1982266), (29, 1777204), (44, 1171339), (52, 991133), (58, 888602), (116, 444301), (143, 360412), (169, 304964), (239, 215644), (286, 180206), (319, 161564), (338, 152482), (377, 136708), (478, 107822), (572, 90103), (638, 80782), (676, 76241), (754, 68354), (956, 53911), (1276, 40391), (1508, 34177), (1859, 27724), (2629, 19604), (3107, 16588), (3718, 13862), (4147, 12428), (4901, 10516), (5258, 9802), (6214, 8294), (6931, 7436)]