28147328

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19991}}^1$

素因数の和:20016

約数の個数: 32

約数和(自身を含む): 61175520

約数和(自身を除く): 33028192

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 19991, 39982, 79964, 159928, 219901, 319856, 439802, 639712, 879604, 1279424, 1759208, 2558848, 3518416, 7036832, 14073664, 28147328]

約数ペア:

[(1, 28147328), (2, 14073664), (4, 7036832), (8, 3518416), (11, 2558848), (16, 1759208), (22, 1279424), (32, 879604), (44, 639712), (64, 439802), (88, 319856), (128, 219901), (176, 159928), (352, 79964), (704, 39982), (1408, 19991)]