31408566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 75271680

約数和(自身を除く): 43863114

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 107, 174, 203, 214, 241, 321, 406, 482, 609, 642, 723, 749, 1218, 1446, 1498, 1687, 2247, 3103, 3374, 4494, 5061, 6206, 6989, 9309, 10122, 13978, 18618, 20967, 21721, 25787, 41934, 43442, 48923, 51574, 65163, 77361, 97846, 130326, 146769, 154722, 180509, 293538, 361018, 541527, 747823, 1083054, 1495646, 2243469, 4486938, 5234761, 10469522, 15704283, 31408566]

約数ペア:

[(1, 31408566), (2, 15704283), (3, 10469522), (6, 5234761), (7, 4486938), (14, 2243469), (21, 1495646), (29, 1083054), (42, 747823), (58, 541527), (87, 361018), (107, 293538), (174, 180509), (203, 154722), (214, 146769), (241, 130326), (321, 97846), (406, 77361), (482, 65163), (609, 51574), (642, 48923), (723, 43442), (749, 41934), (1218, 25787), (1446, 21721), (1498, 20967), (1687, 18618), (2247, 13978), (3103, 10122), (3374, 9309), (4494, 6989), (5061, 6206)]