28208222

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3943}}^1$

素因数の和:4032

約数の個数: 24

約数和(自身を含む): 49907376

約数和(自身を除く): 21699154

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 511, 1022, 3577, 3943, 7154, 7886, 27601, 55202, 193207, 287839, 386414, 575678, 2014873, 4029746, 14104111, 28208222]

約数ペア:

[(1, 28208222), (2, 14104111), (7, 4029746), (14, 2014873), (49, 575678), (73, 386414), (98, 287839), (146, 193207), (511, 55202), (1022, 27601), (3577, 7886), (3943, 7154)]