28042781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 31287984

約数和(自身を除く): 3245203

約数列:

[1, 13, 37, 173, 337, 481, 2249, 4381, 6401, 12469, 58301, 83213, 162097, 757913, 2157137, 28042781]

約数ペア:

[(1, 28042781), (13, 2157137), (37, 757913), (173, 162097), (337, 83213), (481, 58301), (2249, 12469), (4381, 6401)]