209217152

素因数分解:

$2^7\times {\mathrm{197}}^1\times {\mathrm{8297}}^1$

素因数の和:8508

約数の個数: 32

約数和(自身を含む): 418966020

約数和(自身を除く): 209748868

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 394, 788, 1576, 3152, 6304, 8297, 12608, 16594, 25216, 33188, 66376, 132752, 265504, 531008, 1062016, 1634509, 3269018, 6538036, 13076072, 26152144, 52304288, 104608576, 209217152]

約数ペア:

[(1, 209217152), (2, 104608576), (4, 52304288), (8, 26152144), (16, 13076072), (32, 6538036), (64, 3269018), (128, 1634509), (197, 1062016), (394, 531008), (788, 265504), (1576, 132752), (3152, 66376), (6304, 33188), (8297, 25216), (12608, 16594)]