13999279

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2503}}^1$

素因数の和:2574

約数の個数: 16

約数和(自身を含む): 17307648

約数和(自身を除く): 3308369

約数列:

[1, 7, 17, 47, 119, 329, 799, 2503, 5593, 17521, 42551, 117641, 297857, 823487, 1999897, 13999279]

約数ペア:

[(1, 13999279), (7, 1999897), (17, 823487), (47, 297857), (119, 117641), (329, 42551), (799, 17521), (2503, 5593)]