25965626

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:1037

約数の個数: 16

約数和(自身を含む): 39768288

約数和(自身を除く): 13802662

約数列:

[1, 2, 61, 122, 331, 643, 662, 1286, 20191, 39223, 40382, 78446, 212833, 425666, 12982813, 25965626]

約数ペア:

[(1, 25965626), (2, 12982813), (61, 425666), (122, 212833), (331, 78446), (643, 40382), (662, 39223), (1286, 20191)]