28939204

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 54

約数和(自身を含む): 62327790

約数和(自身を除く): 33388586

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 361, 409, 532, 722, 818, 931, 1444, 1636, 1862, 2527, 2863, 3724, 5054, 5726, 7771, 10108, 11452, 15542, 17689, 20041, 31084, 35378, 40082, 54397, 70756, 80164, 108794, 147649, 217588, 295298, 380779, 590596, 761558, 1033543, 1523116, 2067086, 4134172, 7234801, 14469602, 28939204]

約数ペア:

[(1, 28939204), (2, 14469602), (4, 7234801), (7, 4134172), (14, 2067086), (19, 1523116), (28, 1033543), (38, 761558), (49, 590596), (76, 380779), (98, 295298), (133, 217588), (196, 147649), (266, 108794), (361, 80164), (409, 70756), (532, 54397), (722, 40082), (818, 35378), (931, 31084), (1444, 20041), (1636, 17689), (1862, 15542), (2527, 11452), (2863, 10108), (3724, 7771), (5054, 5726)]