12985987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 15724800

約数和(自身を除く): 2738813

約数列:

[1, 7, 19, 133, 251, 389, 1757, 2723, 4769, 7391, 33383, 51737, 97639, 683473, 1855141, 12985987]

約数ペア:

[(1, 12985987), (7, 1855141), (19, 683473), (133, 97639), (251, 51737), (389, 33383), (1757, 7391), (2723, 4769)]