399680176

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{28099}}^1$

素因数の和:28241

約数の個数: 40

約数和(自身を含む): 892006400

約数和(自身を除く): 492326224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 28099, 56198, 112396, 196693, 224792, 393386, 449584, 786772, 1573544, 3147088, 3568573, 7137146, 14274292, 24980011, 28548584, 49960022, 57097168, 99920044, 199840088, 399680176]

約数ペア:

[(1, 399680176), (2, 199840088), (4, 99920044), (7, 57097168), (8, 49960022), (14, 28548584), (16, 24980011), (28, 14274292), (56, 7137146), (112, 3568573), (127, 3147088), (254, 1573544), (508, 786772), (889, 449584), (1016, 393386), (1778, 224792), (2032, 196693), (3556, 112396), (7112, 56198), (14224, 28099)]