205323916

素因数分解:

$2^2\times 7^4\times {\mathrm{21379}}^1$

素因数の和:21411

約数の個数: 30

約数和(自身を含む): 419197660

約数和(自身を除く): 213873744

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 21379, 42758, 85516, 149653, 299306, 598612, 1047571, 2095142, 4190284, 7332997, 14665994, 29331988, 51330979, 102661958, 205323916]

約数ペア:

[(1, 205323916), (2, 102661958), (4, 51330979), (7, 29331988), (14, 14665994), (28, 7332997), (49, 4190284), (98, 2095142), (196, 1047571), (343, 598612), (686, 299306), (1372, 149653), (2401, 85516), (4802, 42758), (9604, 21379)]