25691065

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 31622976

約数和(自身を除く): 5931911

約数列:

[1, 5, 61, 131, 305, 643, 655, 3215, 7991, 39223, 39955, 84233, 196115, 421165, 5138213, 25691065]

約数ペア:

[(1, 25691065), (5, 5138213), (61, 421165), (131, 196115), (305, 84233), (643, 39955), (655, 39223), (3215, 7991)]