64503784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 68552216

約数列:

[1, 2, 4, 8, 19, 38, 43, 71, 76, 86, 139, 142, 152, 172, 278, 284, 344, 556, 568, 817, 1112, 1349, 1634, 2641, 2698, 3053, 3268, 5282, 5396, 5977, 6106, 6536, 9869, 10564, 10792, 11954, 12212, 19738, 21128, 23908, 24424, 39476, 47816, 58007, 78952, 113563, 116014, 187511, 227126, 232028, 375022, 424367, 454252, 464056, 750044, 848734, 908504, 1500088, 1697468, 3394936, 8062973, 16125946, 32251892, 64503784]

約数ペア:

[(1, 64503784), (2, 32251892), (4, 16125946), (8, 8062973), (19, 3394936), (38, 1697468), (43, 1500088), (71, 908504), (76, 848734), (86, 750044), (139, 464056), (142, 454252), (152, 424367), (172, 375022), (278, 232028), (284, 227126), (344, 187511), (556, 116014), (568, 113563), (817, 78952), (1112, 58007), (1349, 47816), (1634, 39476), (2641, 24424), (2698, 23908), (3053, 21128), (3268, 19738), (5282, 12212), (5396, 11954), (5977, 10792), (6106, 10564), (6536, 9869)]