28787774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{5783}}^1$

素因数の和:5935

約数の個数: 16

約数和(自身を含む): 45809280

約数和(自身を除く): 17021506

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 5783, 11566, 109877, 219754, 757573, 1515146, 14393887, 28787774]

約数ペア:

[(1, 28787774), (2, 14393887), (19, 1515146), (38, 757573), (131, 219754), (262, 109877), (2489, 11566), (4978, 5783)]