68787964

素因数分解:

$2^2\times 7^3\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 141668800

約数和(自身を除く): 72880836

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 277, 343, 362, 554, 686, 724, 1108, 1267, 1372, 1939, 2534, 3878, 5068, 7756, 8869, 13573, 17738, 27146, 35476, 50137, 54292, 62083, 95011, 100274, 124166, 190022, 200548, 248332, 350959, 380044, 701918, 1403836, 2456713, 4913426, 9826852, 17196991, 34393982, 68787964]

約数ペア:

[(1, 68787964), (2, 34393982), (4, 17196991), (7, 9826852), (14, 4913426), (28, 2456713), (49, 1403836), (98, 701918), (181, 380044), (196, 350959), (277, 248332), (343, 200548), (362, 190022), (554, 124166), (686, 100274), (724, 95011), (1108, 62083), (1267, 54292), (1372, 50137), (1939, 35476), (2534, 27146), (3878, 17738), (5068, 13573), (7756, 8869)]