387680258

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 690019200

約数和(自身を除く): 302338942

約数列:

[1, 2, 7, 14, 49, 98, 103, 193, 199, 206, 386, 398, 721, 1351, 1393, 1442, 2702, 2786, 5047, 9457, 9751, 10094, 18914, 19502, 19879, 20497, 38407, 39758, 40994, 76814, 139153, 143479, 268849, 278306, 286958, 537698, 974071, 1004353, 1881943, 1948142, 2008706, 3763886, 3955921, 7911842, 27691447, 55382894, 193840129, 387680258]

約数ペア:

[(1, 387680258), (2, 193840129), (7, 55382894), (14, 27691447), (49, 7911842), (98, 3955921), (103, 3763886), (193, 2008706), (199, 1948142), (206, 1881943), (386, 1004353), (398, 974071), (721, 537698), (1351, 286958), (1393, 278306), (1442, 268849), (2702, 143479), (2786, 139153), (5047, 76814), (9457, 40994), (9751, 39758), (10094, 38407), (18914, 20497), (19502, 19879)]