220996864

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{78479}}^1$

素因数の和:78506

約数の個数: 36

約数和(自身を含む): 481239360

約数和(自身を除く): 260242496

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 78479, 156958, 313916, 627832, 863269, 1255664, 1726538, 2511328, 3453076, 5022656, 6906152, 10045312, 13812304, 20090624, 27624608, 55249216, 110498432, 220996864]

約数ペア:

[(1, 220996864), (2, 110498432), (4, 55249216), (8, 27624608), (11, 20090624), (16, 13812304), (22, 10045312), (32, 6906152), (44, 5022656), (64, 3453076), (88, 2511328), (128, 1726538), (176, 1255664), (256, 863269), (352, 627832), (704, 313916), (1408, 156958), (2816, 78479)]