31505578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{11117}}^1$

素因数の和:11241

約数の個数: 16

約数和(自身を含む): 51365160

約数和(自身を除く): 19859582

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 11117, 22234, 144521, 289042, 1211753, 2423506, 15752789, 31505578]

約数ペア:

[(1, 31505578), (2, 15752789), (13, 2423506), (26, 1211753), (109, 289042), (218, 144521), (1417, 22234), (2834, 11117)]