20161986488

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1254479}}^1$

素因数の和:1254540

約数の個数: 48

約数和(自身を含む): 45048376800

約数和(自身を除く): 24886390312

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, 1254479, 2508958, 5017916, 8781353, 10035832, 17562706, 35125412, 51433639, 61469471, 70250824, 102867278, 122938942, 205734556, 245877884, 360035473, 411469112, 491755768, 720070946, 1440141892, 2520248311, 2880283784, 5040496622, 10080993244, 20161986488]

約数ペア:

[(1, 20161986488), (2, 10080993244), (4, 5040496622), (7, 2880283784), (8, 2520248311), (14, 1440141892), (28, 720070946), (41, 491755768), (49, 411469112), (56, 360035473), (82, 245877884), (98, 205734556), (164, 122938942), (196, 102867278), (287, 70250824), (328, 61469471), (392, 51433639), (574, 35125412), (1148, 17562706), (2009, 10035832), (2296, 8781353), (4018, 5017916), (8036, 2508958), (16072, 1254479)]