66906866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 124830720

約数和(自身を除く): 57923854

約数列:

[1, 2, 13, 17, 19, 26, 31, 34, 38, 62, 221, 247, 257, 323, 403, 442, 494, 514, 527, 589, 646, 806, 1054, 1178, 3341, 4199, 4369, 4883, 6682, 6851, 7657, 7967, 8398, 8738, 9766, 10013, 13702, 15314, 15934, 20026, 56797, 63479, 83011, 103571, 113594, 126958, 130169, 135439, 151373, 166022, 207142, 260338, 270878, 302746, 1079143, 1760707, 1967849, 2158286, 2573341, 3521414, 3935698, 5146682, 33453433, 66906866]

約数ペア:

[(1, 66906866), (2, 33453433), (13, 5146682), (17, 3935698), (19, 3521414), (26, 2573341), (31, 2158286), (34, 1967849), (38, 1760707), (62, 1079143), (221, 302746), (247, 270878), (257, 260338), (323, 207142), (403, 166022), (442, 151373), (494, 135439), (514, 130169), (527, 126958), (589, 113594), (646, 103571), (806, 83011), (1054, 63479), (1178, 56797), (3341, 20026), (4199, 15934), (4369, 15314), (4883, 13702), (6682, 10013), (6851, 9766), (7657, 8738), (7967, 8398)]