51171978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 131281920

約数和(自身を除く): 80109942

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 43, 57, 66, 73, 78, 86, 114, 129, 143, 146, 209, 219, 247, 258, 286, 418, 429, 438, 473, 494, 559, 627, 741, 803, 817, 858, 946, 949, 1118, 1254, 1387, 1419, 1482, 1606, 1634, 1677, 1898, 2409, 2451, 2717, 2774, 2838, 2847, 3139, 3354, 4161, 4818, 4902, 5434, 5694, 6149, 6278, 8151, 8322, 8987, 9417, 10439, 10621, 12298, 15257, 16302, 17974, 18031, 18447, 18834, 20878, 21242, 26961, 30514, 31317, 31863, 34529, 36062, 36894, 40807, 45771, 53922, 54093, 59641, 62634, 63726, 69058, 81614, 91542, 103587, 108186, 116831, 119282, 122421, 178923, 198341, 207174, 233662, 244842, 350493, 357846, 396682, 448877, 595023, 656051, 700986, 775333, 897754, 1190046, 1312102, 1346631, 1550666, 1968153, 2325999, 2693262, 3936306, 4651998, 8528663, 17057326, 25585989, 51171978]

約数ペア:

[(1, 51171978), (2, 25585989), (3, 17057326), (6, 8528663), (11, 4651998), (13, 3936306), (19, 2693262), (22, 2325999), (26, 1968153), (33, 1550666), (38, 1346631), (39, 1312102), (43, 1190046), (57, 897754), (66, 775333), (73, 700986), (78, 656051), (86, 595023), (114, 448877), (129, 396682), (143, 357846), (146, 350493), (209, 244842), (219, 233662), (247, 207174), (258, 198341), (286, 178923), (418, 122421), (429, 119282), (438, 116831), (473, 108186), (494, 103587), (559, 91542), (627, 81614), (741, 69058), (803, 63726), (817, 62634), (858, 59641), (946, 54093), (949, 53922), (1118, 45771), (1254, 40807), (1387, 36894), (1419, 36062), (1482, 34529), (1606, 31863), (1634, 31317), (1677, 30514), (1898, 26961), (2409, 21242), (2451, 20878), (2717, 18834), (2774, 18447), (2838, 18031), (2847, 17974), (3139, 16302), (3354, 15257), (4161, 12298), (4818, 10621), (4902, 10439), (5434, 9417), (5694, 8987), (6149, 8322), (6278, 8151)]