13297991

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 15590400

約数和(自身を除く): 2292409

約数列:

[1, 7, 79, 139, 173, 553, 973, 1211, 10981, 13667, 24047, 76867, 95669, 168329, 1899713, 13297991]

約数ペア:

[(1, 13297991), (7, 1899713), (79, 168329), (139, 95669), (173, 76867), (553, 24047), (973, 13667), (1211, 10981)]