201915196

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 418424832

約数和(自身を除く): 216509636

約数列:

[1, 2, 4, 7, 14, 28, 47, 71, 94, 142, 188, 284, 329, 497, 658, 994, 1316, 1988, 2161, 3337, 4322, 6674, 8644, 13348, 15127, 23359, 30254, 46718, 60508, 93436, 101567, 153431, 203134, 306862, 406268, 613724, 710969, 1074017, 1421938, 2148034, 2843876, 4296068, 7211257, 14422514, 28845028, 50478799, 100957598, 201915196]

約数ペア:

[(1, 201915196), (2, 100957598), (4, 50478799), (7, 28845028), (14, 14422514), (28, 7211257), (47, 4296068), (71, 2843876), (94, 2148034), (142, 1421938), (188, 1074017), (284, 710969), (329, 613724), (497, 406268), (658, 306862), (994, 203134), (1316, 153431), (1988, 101567), (2161, 93436), (3337, 60508), (4322, 46718), (6674, 30254), (8644, 23359), (13348, 15127)]