39987647

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6397}}^1$

素因数の和:6470

約数の個数: 16

約数和(自身を含む): 49136640

約数和(自身を除く): 9148993

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 6397, 44779, 121543, 300659, 850801, 2104613, 5712521, 39987647]

約数ペア:

[(1, 39987647), (7, 5712521), (19, 2104613), (47, 850801), (133, 300659), (329, 121543), (893, 44779), (6251, 6397)]