320427464

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{19937}}^1$

素因数の和:19998

約数の個数: 48

約数和(自身を含む): 715973580

約数和(自身を除く): 395546116

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 392, 574, 1148, 2009, 2296, 4018, 8036, 16072, 19937, 39874, 79748, 139559, 159496, 279118, 558236, 817417, 976913, 1116472, 1634834, 1953826, 3269668, 3907652, 5721919, 6539336, 7815304, 11443838, 22887676, 40053433, 45775352, 80106866, 160213732, 320427464]

約数ペア:

[(1, 320427464), (2, 160213732), (4, 80106866), (7, 45775352), (8, 40053433), (14, 22887676), (28, 11443838), (41, 7815304), (49, 6539336), (56, 5721919), (82, 3907652), (98, 3269668), (164, 1953826), (196, 1634834), (287, 1116472), (328, 976913), (392, 817417), (574, 558236), (1148, 279118), (2009, 159496), (2296, 139559), (4018, 79748), (8036, 39874), (16072, 19937)]