38391991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3529}}^1$

素因数の和:3606

約数の個数: 16

約数和(自身を含む): 44732160

約数和(自身を除く): 6340169

約数列:

[1, 11, 23, 43, 253, 473, 989, 3529, 10879, 38819, 81167, 151747, 892837, 1669217, 3490181, 38391991]

約数ペア:

[(1, 38391991), (11, 3490181), (23, 1669217), (43, 892837), (253, 151747), (473, 81167), (989, 38819), (3529, 10879)]