28680113

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2153}}^1$

素因数の和:2344

約数の個数: 16

約数和(自身を含む): 35980416

約数和(自身を除く): 7300303

約数列:

[1, 7, 11, 77, 173, 1211, 1903, 2153, 13321, 15071, 23683, 165781, 372469, 2607283, 4097159, 28680113]

約数ペア:

[(1, 28680113), (7, 4097159), (11, 2607283), (77, 372469), (173, 165781), (1211, 23683), (1903, 15071), (2153, 13321)]