208027729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{2239}}^1$

素因数の和:3280

約数の個数: 16

約数和(自身を含む): 256399360

約数和(自身を除く): 48371631

約数列:

[1, 7, 13, 91, 1021, 2239, 7147, 13273, 15673, 29107, 92911, 203749, 2286019, 16002133, 29718247, 208027729]

約数ペア:

[(1, 208027729), (7, 29718247), (13, 16002133), (91, 2286019), (1021, 203749), (2239, 92911), (7147, 29107), (13273, 15673)]