13418881

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 15875200

約数和(自身を除く): 2456319

約数列:

[1, 7, 43, 109, 301, 409, 763, 2863, 4687, 17587, 32809, 44581, 123109, 312067, 1916983, 13418881]

約数ペア:

[(1, 13418881), (7, 1916983), (43, 312067), (109, 123109), (301, 44581), (409, 32809), (763, 17587), (2863, 4687)]