80774491

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1637}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 100835280

約数和(自身を除く): 20060789

約数列:

[1, 7, 19, 49, 53, 133, 371, 931, 1007, 1637, 2597, 7049, 11459, 31103, 49343, 80213, 86761, 217721, 607327, 1524047, 1648459, 4251289, 11539213, 80774491]

約数ペア:

[(1, 80774491), (7, 11539213), (19, 4251289), (49, 1648459), (53, 1524047), (133, 607327), (371, 217721), (931, 86761), (1007, 80213), (1637, 49343), (2597, 31103), (7049, 11459)]