1386478079

素因数分解:

$7^2\times {\mathrm{389}}^1\times {\mathrm{72739}}^1$

素因数の和:73142

約数の個数: 12

約数和(自身を含む): 1617010200

約数和(自身を除く): 230532121

約数列:

[1, 7, 49, 389, 2723, 19061, 72739, 509173, 3564211, 28295471, 198068297, 1386478079]

約数ペア:

[(1, 1386478079), (7, 198068297), (49, 28295471), (389, 3564211), (2723, 509173), (19061, 72739)]