208757978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:1023

約数の個数: 64

約数和(自身を含む): 397111680

約数和(自身を除く): 188353702

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 41, 82, 143, 209, 247, 286, 418, 451, 494, 533, 779, 902, 937, 1066, 1558, 1874, 2717, 5434, 5863, 8569, 10127, 10307, 11726, 12181, 17138, 17803, 20254, 20614, 24362, 35606, 38417, 76834, 111397, 133991, 195833, 222794, 231439, 267982, 391666, 422587, 462878, 499421, 729923, 845174, 998842, 1459846, 2545829, 5091658, 5493631, 8029153, 9488999, 10987262, 16058306, 18977998, 104378989, 208757978]

約数ペア:

[(1, 208757978), (2, 104378989), (11, 18977998), (13, 16058306), (19, 10987262), (22, 9488999), (26, 8029153), (38, 5493631), (41, 5091658), (82, 2545829), (143, 1459846), (209, 998842), (247, 845174), (286, 729923), (418, 499421), (451, 462878), (494, 422587), (533, 391666), (779, 267982), (902, 231439), (937, 222794), (1066, 195833), (1558, 133991), (1874, 111397), (2717, 76834), (5434, 38417), (5863, 35606), (8569, 24362), (10127, 20614), (10307, 20254), (11726, 17803), (12181, 17138)]