128147428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 256742136

約数和(自身を除く): 128594708

約数列:

[1, 2, 4, 17, 31, 34, 37, 53, 62, 68, 74, 106, 124, 148, 212, 527, 629, 901, 961, 1054, 1147, 1258, 1643, 1802, 1922, 1961, 2108, 2294, 2516, 3286, 3604, 3844, 3922, 4588, 6572, 7844, 16337, 19499, 27931, 32674, 33337, 35557, 38998, 50933, 55862, 60791, 65348, 66674, 71114, 77996, 101866, 111724, 121582, 133348, 142228, 203732, 243164, 604469, 865861, 1033447, 1208938, 1731722, 1884521, 2066894, 2417876, 3463444, 3769042, 4133788, 7538084, 32036857, 64073714, 128147428]

約数ペア:

[(1, 128147428), (2, 64073714), (4, 32036857), (17, 7538084), (31, 4133788), (34, 3769042), (37, 3463444), (53, 2417876), (62, 2066894), (68, 1884521), (74, 1731722), (106, 1208938), (124, 1033447), (148, 865861), (212, 604469), (527, 243164), (629, 203732), (901, 142228), (961, 133348), (1054, 121582), (1147, 111724), (1258, 101866), (1643, 77996), (1802, 71114), (1922, 66674), (1961, 65348), (2108, 60791), (2294, 55862), (2516, 50933), (3286, 38998), (3604, 35557), (3844, 33337), (3922, 32674), (4588, 27931), (6572, 19499), (7844, 16337)]