40490989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{18133}}^1$

素因数の和:18180

約数の個数: 16

約数和(自身を含む): 52225920

約数和(自身を除く): 11734931

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 18133, 126931, 199463, 525857, 1396241, 3680999, 5784427, 40490989]

約数ペア:

[(1, 40490989), (7, 5784427), (11, 3680999), (29, 1396241), (77, 525857), (203, 199463), (319, 126931), (2233, 18133)]