28641444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 75015360

約数和(自身を除く): 46373916

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 169, 174, 338, 348, 377, 487, 507, 676, 754, 974, 1014, 1131, 1461, 1508, 1948, 2028, 2262, 2922, 4524, 4901, 5844, 6331, 9802, 12662, 14123, 14703, 18993, 19604, 25324, 28246, 29406, 37986, 42369, 56492, 58812, 75972, 82303, 84738, 164606, 169476, 183599, 246909, 329212, 367198, 493818, 550797, 734396, 987636, 1101594, 2203188, 2386787, 4773574, 7160361, 9547148, 14320722, 28641444]

約数ペア:

[(1, 28641444), (2, 14320722), (3, 9547148), (4, 7160361), (6, 4773574), (12, 2386787), (13, 2203188), (26, 1101594), (29, 987636), (39, 734396), (52, 550797), (58, 493818), (78, 367198), (87, 329212), (116, 246909), (156, 183599), (169, 169476), (174, 164606), (338, 84738), (348, 82303), (377, 75972), (487, 58812), (507, 56492), (676, 42369), (754, 37986), (974, 29406), (1014, 28246), (1131, 25324), (1461, 19604), (1508, 18993), (1948, 14703), (2028, 14123), (2262, 12662), (2922, 9802), (4524, 6331), (4901, 5844)]