199929212

素因数分解:

$2^2\times 7^3\times {\mathrm{145721}}^1$

素因数の和:145746

約数の個数: 24

約数和(自身を含む): 408021600

約数和(自身を除く): 208092388

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 145721, 291442, 582884, 1020047, 2040094, 4080188, 7140329, 14280658, 28561316, 49982303, 99964606, 199929212]

約数ペア:

[(1, 199929212), (2, 99964606), (4, 49982303), (7, 28561316), (14, 14280658), (28, 7140329), (49, 4080188), (98, 2040094), (196, 1020047), (343, 582884), (686, 291442), (1372, 145721)]