251642878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{50551}}^1$

素因数の和:50703

約数の個数: 16

約数和(自身を含む): 400371840

約数和(自身を除く): 148728962

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 50551, 101102, 960469, 1920938, 6622181, 13244362, 125821439, 251642878]

約数ペア:

[(1, 251642878), (2, 125821439), (19, 13244362), (38, 6622181), (131, 1920938), (262, 960469), (2489, 101102), (4978, 50551)]