1311761776

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{15649}}^1$

素因数の和:15714

約数の個数: 60

約数和(自身を含む): 2841038400

約数和(自身を除く): 1529276624

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 2704, 3224, 5239, 6448, 10478, 15649, 20956, 31298, 41912, 62596, 83824, 125192, 203437, 250384, 406874, 485119, 813748, 970238, 1627496, 1940476, 2644681, 3254992, 3880952, 5289362, 6306547, 7761904, 10578724, 12613094, 21157448, 25226188, 42314896, 50452376, 81985111, 100904752, 163970222, 327940444, 655880888, 1311761776]

約数ペア:

[(1, 1311761776), (2, 655880888), (4, 327940444), (8, 163970222), (13, 100904752), (16, 81985111), (26, 50452376), (31, 42314896), (52, 25226188), (62, 21157448), (104, 12613094), (124, 10578724), (169, 7761904), (208, 6306547), (248, 5289362), (338, 3880952), (403, 3254992), (496, 2644681), (676, 1940476), (806, 1627496), (1352, 970238), (1612, 813748), (2704, 485119), (3224, 406874), (5239, 250384), (6448, 203437), (10478, 125192), (15649, 83824), (20956, 62596), (31298, 41912)]