39981529

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6991}}^1$

素因数の和:7060

約数の個数: 16

約数和(自身を含む): 49223680

約数和(自身を除く): 9242151

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 6991, 48937, 132829, 300613, 929803, 2104291, 5711647, 39981529]

約数ペア:

[(1, 39981529), (7, 5711647), (19, 2104291), (43, 929803), (133, 300613), (301, 132829), (817, 48937), (5719, 6991)]