28086086

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{22541}}^1$

素因数の和:22639

約数の個数: 16

約数和(自身を含む): 48690720

約数和(自身を除く): 20604634

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 22541, 45082, 157787, 315574, 2006149, 4012298, 14043043, 28086086]

約数ペア:

[(1, 28086086), (2, 14043043), (7, 4012298), (14, 2006149), (89, 315574), (178, 157787), (623, 45082), (1246, 22541)]