1311084208

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{616111}}^1$

素因数の和:616145

約数の個数: 40

約数和(自身を含む): 3055915520

約数和(自身を除く): 1744831312

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 616111, 1232222, 2464444, 4312777, 4928888, 8625554, 9857776, 11706109, 17251108, 23412218, 34502216, 46824436, 69004432, 81942763, 93648872, 163885526, 187297744, 327771052, 655542104, 1311084208]

約数ペア:

[(1, 1311084208), (2, 655542104), (4, 327771052), (7, 187297744), (8, 163885526), (14, 93648872), (16, 81942763), (19, 69004432), (28, 46824436), (38, 34502216), (56, 23412218), (76, 17251108), (112, 11706109), (133, 9857776), (152, 8625554), (266, 4928888), (304, 4312777), (532, 2464444), (1064, 1232222), (2128, 616111)]