81646516

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{14653}}^1$

素因数の和:14863

約数の個数: 24

約数和(自身を含む): 164124800

約数和(自身を除く): 82478284

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 14653, 29306, 58612, 102571, 205142, 410284, 2915947, 5831894, 11663788, 20411629, 40823258, 81646516]

約数ペア:

[(1, 81646516), (2, 40823258), (4, 20411629), (7, 11663788), (14, 5831894), (28, 2915947), (199, 410284), (398, 205142), (796, 102571), (1393, 58612), (2786, 29306), (5572, 14653)]