71622761

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{4049}}^1$

素因数の和:4101

約数の個数: 18

約数和(自身を含む): 87953850

約数和(自身を除く): 16331089

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 4049, 17689, 28343, 76931, 198401, 538517, 1461689, 3769619, 10231823, 71622761]

約数ペア:

[(1, 71622761), (7, 10231823), (19, 3769619), (49, 1461689), (133, 538517), (361, 198401), (931, 76931), (2527, 28343), (4049, 17689)]