77998249

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 96216000

約数和(自身を除く): 18217751

約数列:

[1, 7, 19, 49, 133, 199, 421, 931, 1393, 2947, 3781, 7999, 9751, 20629, 26467, 55993, 83779, 185269, 391951, 586453, 1591801, 4105171, 11142607, 77998249]

約数ペア:

[(1, 77998249), (7, 11142607), (19, 4105171), (49, 1591801), (133, 586453), (199, 391951), (421, 185269), (931, 83779), (1393, 55993), (2947, 26467), (3781, 20629), (7999, 9751)]